diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/cli/LogOptionsCommand.java b/apps/artemis/src/main/java/org/onosproject/artemis/cli/LogOptionsCommand.java
new file mode 100644
index 0000000..1812e91
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/cli/LogOptionsCommand.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.artemis.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.commands.Option;
+import org.onosproject.artemis.impl.ArtemisService;
+import org.onosproject.cli.AbstractShellCommand;
+
+/**
+ * CLI to enable or disable BGP Update message logging.
+ */
+@Command(scope = "artemis", name = "log-messages",
+    description = "Show RIS messages in logger.")
+public class LogOptionsCommand extends AbstractShellCommand {
+
+    @Option(name = "--enable", aliases = "-e", description = "Enable RIS message logging",
+            required = false, multiValued = false)
+    private boolean enable = false;
+
+    @Option(name = "--disable", aliases = "-d", description = "Disable RIS message logging",
+            required = false, multiValued = false)
+    private boolean disable = false;
+
+    @Override
+    protected void execute() {
+        ArtemisService artemisService = get(ArtemisService.class);
+        if (enable) {
+            artemisService.setLogger(true);
+        } else if (disable) {
+            artemisService.setLogger(false);
+        }
+    }
+}
\ No newline at end of file
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/cli/package-info.java b/apps/artemis/src/main/java/org/onosproject/artemis/cli/package-info.java
new file mode 100755
index 0000000..09a3e14
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/cli/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Artemis CLI commands.
+ */
+package org.onosproject.artemis.cli;
\ No newline at end of file
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisConfig.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisConfig.java
new file mode 100644
index 0000000..741a4fe
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisConfig.java
@@ -0,0 +1,308 @@
+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.config.Config;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Artemis Configuration Class.
+ */
+class ArtemisConfig extends Config<ApplicationId> {
+
+    private static final String PREFIXES = "prefixes";
+    /* */
+    private static final String PREFIX = "prefix";
+    private static final String PATHS = "paths";
+    private static final String MOAS = "moas";
+    /* */
+    private static final String ORIGIN = "origin";
+    private static final String NEIGHBOR = "neighbor";
+    private static final String ASN = "asn";
+    /* */
+
+    private static final String MONITORS = "monitors";
+    /* */
+    private static final String RIPE = "ripe";
+    private static final String EXABGP = "exabgp";
+    /* */
+
+    private static final String FREQUENCY = "frequency";
+
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    /**
+     * Gets the set of monitored prefixes with the details (prefix, paths and MOAS).
+     *
+     * @return artemis class prefixes
+     */
+    Set<ArtemisPrefixes> monitoredPrefixes() {
+        Set<ArtemisPrefixes> prefixes = Sets.newHashSet();
+
+        JsonNode prefixesNode = object.get(PREFIXES);
+        if (prefixesNode == null) {
+            log.warn("prefixes field is null!");
+            return prefixes;
+        }
+
+        prefixesNode.forEach(jsonNode -> {
+            IpPrefix prefix = IpPrefix.valueOf(jsonNode.get(PREFIX).asText());
+
+            Set<Integer> moasNumbers = Sets.newHashSet();
+            JsonNode moasNode = jsonNode.get(MOAS);
+            moasNode.forEach(asn ->
+                    moasNumbers.add(asn.asInt())
+            );
+
+            /*
+            "paths" : [{
+                "origin" : 65004,
+                "neighbor" : [{
+                        "asn" : 65002,
+                        "neighbor": [{
+                            "asn" : 65001,
+                        }]
+                }]
+            }]
+            */
+
+            Map<Integer, Map<Integer, Set<Integer>>> paths = Maps.newHashMap();
+            JsonNode pathsNode = jsonNode.get(PATHS);
+            pathsNode.forEach(path -> {
+                addPath(paths, path);
+            });
+
+            // printPaths(paths);
+
+            prefixes.add(new ArtemisPrefixes(prefix, moasNumbers, paths));
+        });
+
+        return prefixes;
+    }
+
+    /**
+     * Appends an ASN path on the ASN paths list of the Artemis application.
+     *
+     * @param paths active ASN paths list
+     * @param path  ASN path to be added
+     */
+    private void addPath(Map<Integer, Map<Integer, Set<Integer>>> paths, JsonNode path) {
+        Integer origin = path.path(ORIGIN).asInt();
+
+        JsonNode firstNeighborNode = path.path(NEIGHBOR);
+        // Check if neighbor exists in the configuration
+        if (!firstNeighborNode.isMissingNode()) {
+            firstNeighborNode.forEach(firstNeighbor -> {
+                Integer firstNeighborAsn = firstNeighbor.get(ASN).asInt();
+
+                JsonNode secondNeighborNode = firstNeighbor.path(NEIGHBOR);
+                // check if second neighbor exists in configuration
+                if (!secondNeighborNode.isMissingNode()) {
+                    secondNeighborNode.forEach(secondNeighbor -> {
+                        Integer secondNeighborAsn = secondNeighbor.asInt();
+
+                        if (paths.containsKey(origin)) {
+                            // paths already contain origin ASN.
+                            Map<Integer, Set<Integer>> integerSetMap = paths.get(origin);
+                            if (integerSetMap.containsKey(firstNeighborAsn)) {
+                                integerSetMap.get(firstNeighborAsn).add(secondNeighborAsn);
+                            } else {
+                                paths.get(origin).put(firstNeighborAsn, Sets.newHashSet(secondNeighborAsn));
+                            }
+                        } else {
+                            // origin ASN does not exist in Map.
+                            Map<Integer, Set<Integer>> first2second = Maps.newHashMap();
+                            first2second.put(firstNeighborAsn, Sets.newHashSet(secondNeighborAsn));
+                            paths.put(origin, first2second);
+                        }
+                    });
+                // else append to paths without second neighbor
+                } else {
+                    if (!paths.containsKey(origin)) {
+                        Map<Integer, Set<Integer>> first2second = Maps.newHashMap();
+                        first2second.put(firstNeighborAsn, Sets.newHashSet());
+                        paths.put(origin, first2second);
+                    } else {
+                        // paths already contain origin ASN.
+                        Map<Integer, Set<Integer>> integerSetMap = paths.get(origin);
+                        if (!integerSetMap.containsKey(firstNeighborAsn)) {
+                            paths.get(origin).put(firstNeighborAsn, Sets.newHashSet());
+                        }
+                    }
+                }
+            });
+        // else append to paths only the origin
+        } else {
+            if (!paths.containsKey(origin)) {
+                paths.put(origin, Maps.newHashMap());
+            }
+        }
+    }
+
+    /**
+     * Helper function to print the loaded ASN paths.
+     *
+     * @param paths ASN paths to print
+     */
+    private void printPaths(Map<Integer, Map<Integer, Set<Integer>>> paths) {
+        log.warn("------------------------------------");
+        paths.forEach((k, v) -> v.forEach((l, n) -> {
+            n.forEach(p -> log.warn("Origin: " + k + ", 1st: " + l + ", 2nd: " + p));
+        }));
+    }
+
+    /**
+     * Gets the frequency of the detection module in milliseconds.
+     *
+     * @return frequency (ms)
+     */
+    int detectionFrequency() {
+        JsonNode thresholdNode = object.get(FREQUENCY);
+        int threshold = 0;
+
+        if (thresholdNode == null) {
+            log.warn("threshold field is null!");
+            return threshold;
+        }
+
+        return thresholdNode.asInt();
+    }
+
+    /**
+     * Gets the active route collectors.
+     *
+     * @return map with type as a key and host as a value.
+     */
+    Map<String, Set<String>> activeMonitors() {
+        Map<String, Set<String>> monitors = Maps.newHashMap();
+
+        JsonNode monitorsNode = object.get(MONITORS);
+
+        JsonNode ripeNode = monitorsNode.path(RIPE);
+        if (!ripeNode.isMissingNode()) {
+            Set<String> hosts = Sets.newHashSet();
+            ripeNode.forEach(host -> hosts.add(host.asText()));
+            monitors.put(RIPE, hosts);
+        }
+
+        JsonNode exabgpNode = monitorsNode.path(EXABGP);
+        if (!exabgpNode.isMissingNode()) {
+            Set<String> hosts = Sets.newHashSet();
+            exabgpNode.forEach(host -> hosts.add(host.asText()));
+            monitors.put(EXABGP, hosts);
+        }
+
+        return monitors;
+    }
+
+    /**
+     * Configuration for a specific prefix.
+     */
+    static class ArtemisPrefixes {
+        private IpPrefix prefix;
+        private Set<Integer> moas;
+        private Map<Integer, Map<Integer, Set<Integer>>> paths;
+
+        private final Logger log = LoggerFactory.getLogger(getClass());
+
+        ArtemisPrefixes(IpPrefix prefix, Set<Integer> moas, Map<Integer, Map<Integer, Set<Integer>>> paths) {
+            this.prefix = checkNotNull(prefix);
+            this.moas = checkNotNull(moas);
+            this.paths = checkNotNull(paths);
+        }
+
+        protected IpPrefix prefix() {
+            return prefix;
+        }
+
+        protected Set<Integer> moas() {
+            return moas;
+        }
+
+        protected Map<Integer, Map<Integer, Set<Integer>>> paths() {
+            return paths;
+        }
+
+        /**
+         * Given a path we check if the origin is a friendly MOAS or our ASN.
+         * If the origin ASN is not ours the we have a hijack of type 0. Next, in case that the first neighbor is
+         * not a legit neighbor from our configuration we detect a hijack of type 1 and lastly, if the second
+         * neighbor is not a legit neighbor we detect a type 2 hijack.
+         *
+         * @param path as-path that announces our prefix and found from monitors
+         * @return <code>0</code> no bgp hijack detected
+         *         <code>50</code> friendly anycaster announcing our prefix
+         *         <code>100+i</code> BGP hijack type i (0 &lt;= i &lt;=2)
+         */
+        int checkPath(JSONArray path) {
+            // TODO add MOAS check
+            ArrayList<Integer> asnPath = new ArrayList<>();
+            for (int i = 0; i < path.length(); i++) {
+                try {
+                    asnPath.add(path.getInt(i));
+                } catch (JSONException e) {
+                    e.printStackTrace();
+                }
+            }
+            // reverse the list to get path starting from origin
+            Collections.reverse(asnPath);
+
+            if (asnPath.size() > 0 && !paths.containsKey(asnPath.get(0))) {
+                return 100;
+            } else if (asnPath.size() > 1 && !paths.get(asnPath.get(0)).containsKey(asnPath.get(1))) {
+                return 101;
+            } else if (asnPath.size() > 2 && !paths.get(asnPath.get(0)).get(asnPath.get(1)).contains(asnPath.get(2))) {
+                return 102;
+            }
+            return 0;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hashCode(prefix);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof PrefixHandler) {
+                final PrefixHandler that = (PrefixHandler) obj;
+                return Objects.equals(this.prefix, that.getPrefix());
+            }
+            return false;
+        }
+    }
+
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisManager.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisManager.java
new file mode 100755
index 0000000..0bf5eb5
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisManager.java
@@ -0,0 +1,178 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl;
+
+import com.google.common.collect.Sets;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.config.basics.SubjectFactories;
+import org.onosproject.routing.bgp.BgpInfoService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.Timer;
+
+/**
+ * Artemis Component.
+ */
+@Component(immediate = true)
+@Service
+public class ArtemisManager implements ArtemisService {
+    private static final String ARTEMIS_APP_ID = "org.onosproject.artemis";
+    private static final Class<ArtemisConfig> CONFIG_CLASS = ArtemisConfig.class;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private NetworkConfigRegistry registry;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private NetworkConfigService configService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private CoreService coreService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private BgpInfoService bgpInfoService;
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    private ApplicationId appId;
+    public static boolean logging = false;
+
+    private Set<PrefixHandler> prefixHandlers = Sets.newHashSet();
+    private Deaggregator deaggr;
+    private Timer timer;
+
+    private final InternalNetworkConfigListener configListener =
+            new InternalNetworkConfigListener();
+
+    private ConfigFactory<ApplicationId, ArtemisConfig> artemisConfigFactory =
+            new ConfigFactory<ApplicationId, ArtemisConfig>(
+                    SubjectFactories.APP_SUBJECT_FACTORY, ArtemisConfig.class, "artemis") {
+                @Override
+                public ArtemisConfig createConfig() {
+                    return new ArtemisConfig();
+                }
+            };
+
+    @Activate
+    protected void activate() {
+        appId = coreService.registerApplication(ARTEMIS_APP_ID);
+        configService.addListener(configListener);
+        registry.registerConfigFactory(artemisConfigFactory);
+        log.info("Artemis Started");
+    }
+
+    @Deactivate
+    protected void deactivate() {
+        configService.removeListener(configListener);
+        registry.unregisterConfigFactory(artemisConfigFactory);
+        prefixHandlers.forEach(PrefixHandler::stopPrefixMonitors);
+        log.info("Artemis Stopped");
+    }
+
+    /**
+     * Helper function to start and stop monitors on configuration changes.
+     */
+    private void setUpConfiguration() {
+        ArtemisConfig config = configService.getConfig(appId, CONFIG_CLASS);
+
+        if (config == null) {
+            log.warn("No artemis config available!");
+            return;
+        }
+
+        final Set<ArtemisConfig.ArtemisPrefixes> prefixes = config.monitoredPrefixes();
+        final Integer frequency = config.detectionFrequency();
+        final Map<String, Set<String>> monitors = config.activeMonitors();
+
+        Set<PrefixHandler> toRemove = Sets.newHashSet(prefixHandlers);
+
+        for (ArtemisConfig.ArtemisPrefixes curr : prefixes) {
+            final Optional<PrefixHandler> handler = prefixHandlers
+                    .stream()
+                    .filter(prefixHandler -> prefixHandler.getPrefix().equals(curr.prefix()))
+                    .findFirst();
+
+            if (handler.isPresent()) {
+                PrefixHandler oldHandler = handler.get();
+                oldHandler.changeMonitors(monitors);
+
+                // remove the ones we are going to keep from toRemove list
+                toRemove.remove(oldHandler);
+            } else {
+                // Add new handler
+                PrefixHandler newHandler = new PrefixHandler(curr.prefix(), monitors);
+                newHandler.startPrefixMonitors();
+                prefixHandlers.add(newHandler);
+            }
+        }
+
+        // stop and remove old monitors that do not exist on new configuration
+        toRemove.forEach(PrefixHandler::stopPrefixMonitors);
+        prefixHandlers.removeAll(toRemove);
+
+        // new timer task with updated bgp speakers
+        deaggr = new Deaggregator(bgpInfoService);
+        deaggr.setPrefixes(prefixes);
+
+        if (timer != null) {
+            timer.cancel();
+        }
+        timer = new Timer();
+        timer.scheduleAtFixedRate(deaggr, frequency, frequency);
+    }
+
+    @Override
+    public void setLogger(boolean value) {
+        logging = value;
+    }
+
+    private class InternalNetworkConfigListener implements NetworkConfigListener {
+
+        @Override
+        public void event(NetworkConfigEvent event) {
+            switch (event.type()) {
+                case CONFIG_REGISTERED:
+                    break;
+                case CONFIG_UNREGISTERED:
+                    break;
+                case CONFIG_ADDED:
+                case CONFIG_UPDATED:
+                case CONFIG_REMOVED:
+                    if (event.configClass() == CONFIG_CLASS) {
+                        setUpConfiguration();
+                    }
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisService.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisService.java
new file mode 100755
index 0000000..4fc73b4
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/ArtemisService.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl;
+
+/**
+ * Artemis Service.
+ */
+public interface ArtemisService {
+
+    /**
+     * Set logger to print incoming packets or not.
+     *
+     * @param value true to print incoming BGP messages
+     */
+    void setLogger(boolean value);
+
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/DataHandler.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/DataHandler.java
new file mode 100644
index 0000000..c0257a6
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/DataHandler.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl;
+
+import org.json.JSONObject;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.util.ArrayList;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Helper class that handles BGP Update messages.
+ */
+public final class DataHandler {
+    private static final File DATA_FILE = new File("data.json");
+    private static final File HIJACKS_FILE = new File("hijack.json");
+
+    private final AtomicReference<ArrayList<JSONObject>> data = new AtomicReference<ArrayList<JSONObject>>();
+
+    private static DataHandler instance = new DataHandler();
+
+    private DataHandler() {
+        data.set(new ArrayList<>());
+    }
+
+    /**
+     * Singleton for data handler class.
+     *
+     * @return instance of class
+     */
+    public static synchronized DataHandler getInstance() {
+        if (instance == null) {
+            instance = new DataHandler();
+        }
+        return instance;
+    }
+
+    /**
+     * Atomic append a BGP update message to a list.
+     *
+     * @param obj BGP update message
+     */
+    public synchronized void appendData(JSONObject obj) {
+        data.get().add(obj);
+    }
+
+    /**
+     * Atomic read and clear a list of BGP updates.
+     *
+     * @return list of messages that received in 'threshold' period
+     */
+    synchronized ArrayList<JSONObject> getData() {
+        ArrayList<JSONObject> tmp = (ArrayList<JSONObject>) data.get().clone();
+        data.get().clear();
+        return tmp;
+    }
+
+    /**
+     * A serializer to write incoming BGP updates and hijack attempts to json files.
+     */
+    public static class Serializer {
+        private static RandomAccessFile fwData, fwHijack;
+        private static long lengthData, lengthHijack;
+
+        static {
+            try {
+                if (DATA_FILE.exists()) {
+                    fwData = new RandomAccessFile(DATA_FILE, "rw");
+                } else {
+                    fwData = new RandomAccessFile(DATA_FILE, "rw");
+                    fwData.writeBytes("[\n]");
+                }
+                lengthData = fwData.length() - 1;
+
+                if (HIJACKS_FILE.exists()) {
+                    fwHijack = new RandomAccessFile(HIJACKS_FILE, "rw");
+                } else {
+                    fwHijack = new RandomAccessFile(HIJACKS_FILE, "rw");
+                    fwHijack.writeBytes("[\n]");
+                }
+                lengthHijack = fwHijack.length() - 1;
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        /**
+         * Writes BGP update to json file.
+         *
+         * @param data BGP update
+         */
+        public static synchronized void writeData(Object data) {
+            try {
+                String entry = data.toString() + ",\n]";
+                fwData.seek(lengthData);
+                fwData.writeBytes(entry);
+                lengthData += entry.length() - 1;
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        /**
+         * Writes detected BGP hijack to json file.
+         *
+         * @param data BGP update of hijack
+         */
+        static synchronized void writeHijack(Object data) {
+            try {
+                String entry = data.toString() + ",\n]";
+                fwHijack.seek(lengthHijack);
+                fwHijack.writeBytes(entry);
+                lengthHijack += entry.length() - 1;
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/Deaggregator.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/Deaggregator.java
new file mode 100644
index 0000000..d0cb96c
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/Deaggregator.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl;
+
+import com.google.common.collect.Sets;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.artemis.impl.bgpspeakers.BgpSpeakers;
+import org.onosproject.artemis.impl.bgpspeakers.QuaggaBgpSpeakers;
+import org.onosproject.routing.bgp.BgpInfoService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.Set;
+
+/**
+ * Timertask class which detects and mitigates BGP hijacks.
+ */
+class Deaggregator extends java.util.TimerTask {
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+    private Set<ArtemisConfig.ArtemisPrefixes> prefixes = Sets.newHashSet();
+    private Set<BgpSpeakers> bgpSpeakers = Sets.newHashSet();
+
+    Deaggregator(BgpInfoService bgpInfoService) {
+        super();
+        // deaggregator must know the type of the connected BGP speakers and the BGP info.
+        // for this example we only have one Quagga BGP speaker.
+        bgpSpeakers.add(new QuaggaBgpSpeakers(bgpInfoService));
+    }
+
+    @Override
+    public void run() {
+        ArrayList<JSONObject> messagesArray = DataHandler.getInstance().getData();
+//        log.info("Messages size: " + messagesArray.size());
+
+        // Example of BGP Update message:
+        // {
+        //  "path":[65001, 65002, 65004], (origin being last)
+        //  "prefix":"12.0.0.0/8",
+        // }
+
+        prefixes.forEach(prefix -> {
+            IpPrefix monitoredPrefix = prefix.prefix();
+
+            // for each update message in memory check for hijack
+            for (JSONObject tmp : messagesArray) {
+                IpPrefix receivedPrefix = null;
+                try {
+                    receivedPrefix = IpPrefix.valueOf(tmp.getString("prefix"));
+                } catch (JSONException e) {
+                    log.warn("JSONException: " + e.getMessage());
+                    e.printStackTrace();
+                }
+                if (receivedPrefix == null) {
+                    continue;
+                }
+
+                // check if the announced network address is inside our subnet
+                if (monitoredPrefix.contains(receivedPrefix)) {
+                    JSONArray path = null;
+                    try {
+                        path = tmp.getJSONArray("path");
+                    } catch (JSONException e) {
+                        log.warn("JSONException: " + e.getMessage());
+                        e.printStackTrace();
+                    }
+                    if (path == null) {
+                        continue;
+                    }
+
+                    int state = prefix.checkPath(path);
+                    if (state >= 100) {
+                        log.warn("BGP Hijack detected of type " +
+                                (state - 100) + "\n" + tmp.toString());
+                        DataHandler.Serializer.writeHijack(tmp);
+                        // can only de-aggregate /23 subnets and higher
+                        int cidr = receivedPrefix.prefixLength();
+                        if (receivedPrefix.prefixLength() < 24) {
+                            byte[] octets = receivedPrefix.address().toOctets();
+                            int byteGroup = (cidr + 1) / 8,
+                                    bitPos = 8 - (cidr + 1) % 8;
+
+                            octets[byteGroup] = (byte) (octets[byteGroup] & ~(1 << bitPos));
+                            String low = IpPrefix.valueOf(IpAddress.Version.INET, octets, cidr + 1).toString();
+                            octets[byteGroup] = (byte) (octets[byteGroup] | (1 << bitPos));
+                            String high = IpPrefix.valueOf(IpAddress.Version.INET, octets, cidr + 1).toString();
+
+                            String[] prefixes = {low, high};
+                            bgpSpeakers.forEach(bgpSpeakers -> bgpSpeakers.announceSubPrefixes(prefixes));
+                        } else {
+                            log.warn("Cannot announce smaller prefix than /24");
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+    public Set<ArtemisConfig.ArtemisPrefixes> getPrefixes() {
+        return prefixes;
+    }
+
+    public void setPrefixes(Set<ArtemisConfig.ArtemisPrefixes> prefixes) {
+        this.prefixes = prefixes;
+    }
+}
\ No newline at end of file
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/PrefixHandler.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/PrefixHandler.java
new file mode 100644
index 0000000..a334e4e
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/PrefixHandler.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl;
+
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.artemis.impl.monitors.ExaBgpMonitor;
+import org.onosproject.artemis.impl.monitors.Monitor;
+import org.onosproject.artemis.impl.monitors.RipeMonitor;
+
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
+/**
+ * Handler of monitoring step for each different prefix.
+ * This class contains all the running monitors of the specified prefix.
+ */
+class PrefixHandler {
+
+    private IpPrefix prefix;
+    private Set<Monitor> prefixMonitors = Sets.newHashSet();
+
+    /**
+     * Constructor that takes a CIDR-notation string and a list of monitors.
+     *
+     * @param prefix   A CIDR-notation string, e.g. "192.168.0.1/24"
+     * @param monitors A map of strings to a set of string for monitors, e.g. "ripe", ["host1","host2",..]
+     */
+    PrefixHandler(IpPrefix prefix, Map<String, Set<String>> monitors) {
+        this.prefix = prefix;
+
+        monitors.forEach((type, values) -> {
+            if (type.equals(Monitor.Types.RIPE.toString())) {
+                values.forEach(host -> prefixMonitors.add(new RipeMonitor(prefix, host)));
+            } else if (type.equals(Monitor.Types.EXABGP.toString())) {
+                values.forEach(host -> prefixMonitors.add(new ExaBgpMonitor(prefix, host)));
+            }
+        });
+    }
+
+    /**
+     * Start all monitors for this prefix.
+     */
+    void startPrefixMonitors() {
+        prefixMonitors.forEach(Monitor::startMonitor);
+    }
+
+    /**
+     * Stop all monitors for this prefix.
+     */
+    void stopPrefixMonitors() {
+        prefixMonitors.forEach(Monitor::stopMonitor);
+    }
+
+    /**
+     * Return a CIDR-notation string of prefix.
+     *
+     * @return the prefix in CIDR-notation
+     */
+    IpPrefix getPrefix() {
+        return prefix;
+    }
+
+    /**
+     * Changes the monitors based on the new list given.
+     *
+     * @param newMonitors monitors to be added
+     */
+    void changeMonitors(Map<String, Set<String>> newMonitors) {
+        Set<String> newTypes = newMonitors.keySet();
+        Set<Monitor> monToRemove = Sets.newHashSet();
+        Map<String, Set<String>> monToAdd = Maps.newHashMap(newMonitors);
+
+        prefixMonitors.forEach(monitor -> {
+            String oldType = monitor.getType().toString();
+            if (newTypes.contains(oldType)) {
+                Set<String> newHosts = newMonitors.get(oldType);
+                String oldHost = monitor.getHost();
+                if (newHosts.contains(oldHost)) {
+                    monToAdd.remove(oldHost, oldHost);
+                } else {
+                    monToRemove.add(monitor);
+                }
+            } else {
+                monToRemove.add(monitor);
+            }
+        });
+
+        monToRemove.forEach(Monitor::stopMonitor);
+        prefixMonitors.removeAll(monToRemove);
+
+        //TODO
+        monToAdd.forEach((type, values) -> {
+            if (type.equals(Monitor.Types.RIPE.toString())) {
+                values.forEach(host -> prefixMonitors.add(new RipeMonitor(prefix, host)));
+            } else if (type.equals(Monitor.Types.EXABGP.toString())) {
+                values.forEach(host -> prefixMonitors.add(new ExaBgpMonitor(prefix, host)));
+            }
+        });
+
+        startPrefixMonitors();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(prefix);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof PrefixHandler) {
+            final PrefixHandler that = (PrefixHandler) obj;
+            return Objects.equals(this.prefix, that.prefix);
+        }
+        return false;
+    }
+
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/BgpSpeakers.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/BgpSpeakers.java
new file mode 100644
index 0000000..0677b08
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/BgpSpeakers.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl.bgpspeakers;
+
+import org.onosproject.routing.bgp.BgpInfoService;
+import org.onosproject.routing.bgp.BgpSession;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Collection;
+
+/**
+ * Abstract class for all the types of BGP Speakers.
+ */
+public abstract class BgpSpeakers {
+
+    final Logger log = LoggerFactory.getLogger(getClass());
+    Collection<BgpSession> bgpSessions;
+
+    BgpSpeakers(BgpInfoService bgpInfoService) {
+        this.bgpSessions = bgpInfoService.getBgpSessions();
+    }
+
+    /**
+     * Abstract function which announces the two new subprefixes on the BGP Speaker.
+     * @param prefixes list of two prefixes
+     */
+    public abstract void announceSubPrefixes(String[] prefixes);
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/QuaggaBgpSpeakers.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/QuaggaBgpSpeakers.java
new file mode 100644
index 0000000..30a0022
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/QuaggaBgpSpeakers.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl.bgpspeakers;
+
+import org.apache.commons.net.telnet.TelnetClient;
+import org.onosproject.routing.bgp.BgpInfoService;
+
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.util.Arrays;
+
+/**
+ * Quagga interface to connect and announce prefixes.
+ */
+public class QuaggaBgpSpeakers extends BgpSpeakers {
+    private static final String PASSWORD = "sdnip";
+
+    private TelnetClient telnet = new TelnetClient();
+    private InputStream in;
+    private PrintStream out;
+
+    public QuaggaBgpSpeakers(BgpInfoService bgpInfoService) {
+        super(bgpInfoService);
+    }
+
+    @Override
+    public void announceSubPrefixes(String[] prefixes) {
+        bgpSessions.forEach((session) -> {
+            String peerIp = session.remoteInfo().ip4Address().toString(),
+                    localAs = String.valueOf(session.remoteInfo().as4Number());
+            assert peerIp != null;
+
+            try {
+                telnet.connect(peerIp, 2605);
+                in = telnet.getInputStream();
+                out = new PrintStream(telnet.getOutputStream());
+
+                readUntil("Password: ");
+                write(PASSWORD);
+                readUntil("> ");
+
+                // we user remote AS as local because he is iBGP neighbor.
+                announcePrefix(prefixes, localAs);
+
+                disconnect();
+
+                log.info("Announced " + prefixes[0] + " and " + prefixes[1] + " at " + peerIp);
+            } catch (Exception e) {
+                log.warn(e.getMessage());
+            }
+        });
+    }
+
+    /**
+     * Read telnet buffer until a pattern is met.
+     *
+     * @param pattern string pattern to match in terminal
+     * @return matched string
+     */
+    private String readUntil(String pattern) {
+        try {
+            char lastChar = pattern.charAt(pattern.length() - 1);
+            StringBuffer sb = new StringBuffer();
+            char ch = (char) in.read();
+            while (true) {
+                sb.append(ch);
+                if (ch == lastChar) {
+                    if (sb.toString().endsWith(pattern)) {
+                        return sb.toString();
+                    }
+                }
+                ch = (char) in.read();
+            }
+        } catch (Exception e) {
+            log.warn(e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * Write to the telnet client.
+     *
+     * @param value string to write
+     */
+    private void write(String value) {
+        try {
+            out.println(value);
+            out.flush();
+        } catch (Exception e) {
+            log.warn(e.getMessage());
+        }
+    }
+
+    /**
+     * Configure terminal and announce prefix inside the Quagga router.
+     *
+     * @param prefixes prefixes to announce
+     * @param localAs ASN of BGP Speaker
+     */
+    private void announcePrefix(String[] prefixes, String localAs) {
+        write("en");
+        readUntil("# ");
+        write("configure terminal");
+        readUntil("(config)# ");
+        write("router bgp " + localAs);
+        readUntil("(config-router)# ");
+        Arrays.stream(prefixes).forEach((prefix) -> {
+            write("network " + prefix);
+            readUntil("(config-router)# ");
+        });
+        write("end");
+    }
+
+    /**
+     * Disconnect from the telnet session.
+     */
+    private void disconnect() {
+        try {
+            telnet.disconnect();
+        } catch (Exception e) {
+            log.warn(e.getMessage());
+        }
+    }
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/package-info.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/package-info.java
new file mode 100644
index 0000000..bd12a31
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/bgpspeakers/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * BGP Speakers.
+ */
+package org.onosproject.artemis.impl.bgpspeakers;
\ No newline at end of file
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/ExaBgpMonitor.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/ExaBgpMonitor.java
new file mode 100644
index 0000000..fbf5d27
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/ExaBgpMonitor.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl.monitors;
+
+import io.socket.client.IO;
+import io.socket.client.Socket;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.artemis.impl.ArtemisManager;
+import org.onosproject.artemis.impl.DataHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URISyntaxException;
+import java.util.Objects;
+
+/**
+ * Implementation of ExaBGP Route Collector Monitor.
+ */
+public class ExaBgpMonitor extends Monitor {
+    private String host;
+    private Socket socket;
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    public ExaBgpMonitor(IpPrefix prefix, String host) {
+        super(prefix);
+        this.host = host;
+    }
+
+    /**
+     * socket.io onConnect event handler.
+     */
+    private void onConnect() {
+        try {
+            JSONObject parameters = new JSONObject();
+            parameters.put("prefix", this.prefix);
+
+            socket.emit("exa_subscribe", parameters);
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void onExaMessage(Object[] args) {
+        JSONObject message = (JSONObject) args[0];
+
+        try {
+            if (message.getString("type").equals("A")) {
+                // Write BGP message to a json database
+                DataHandler.Serializer.writeData(args[0]);
+
+                if (ArtemisManager.logging) {
+                    log.info(message.toString());
+                }
+
+                // Example of BGP Update message:
+                // {
+                //  "path":[65001],
+                //  "peer":"1.1.1.1",
+                //  "prefix":"12.0.0.0/8",
+                //  "host":"exabgp", <-- Can put IP here
+                //  "type":"A",
+                //  "timestamp":1488120484
+                // }
+
+                // We want to keep only prefix and path in memory.
+                message.remove("peer");
+                message.remove("host");
+                message.remove("type");
+                message.remove("timestamp");
+
+                // Append synchronized message to message list in memory.
+                DataHandler.getInstance().appendData(message);
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void startMonitor() {
+        if (!isRunning()) {
+            log.info("Starting EXA monitor for " + prefix + " / " + host);
+            try {
+                this.socket = IO.socket("http://" + this.host + "/onos");
+                this.socket.on(Socket.EVENT_CONNECT, args -> onConnect());
+                this.socket.on(Socket.EVENT_PING, args -> socket.emit("pong"));
+                this.socket.on("exa_message", this::onExaMessage);
+            } catch (URISyntaxException e) {
+                e.printStackTrace();
+            }
+            this.socket.connect();
+        }
+    }
+
+    @Override
+    public void stopMonitor() {
+        if (isRunning()) {
+            log.info("Stopping EXA monitor for " + prefix + " / " + host);
+            this.socket.off();
+            this.socket.disconnect();
+            this.socket.close();
+            this.socket = null;
+        }
+    }
+
+    @Override
+    public Types getType() {
+        return Types.EXABGP;
+    }
+
+    @Override
+    public boolean isRunning() {
+        return this.socket != null;
+    }
+
+    @Override
+    public String getHost() {
+        return host;
+    }
+
+    @Override
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(prefix, host);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof ExaBgpMonitor) {
+            final ExaBgpMonitor that = (ExaBgpMonitor) obj;
+            return Objects.equals(this.prefix, that.prefix) &&
+                    Objects.equals(this.host, that.host);
+        }
+        return false;
+    }
+
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/Monitor.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/Monitor.java
new file mode 100644
index 0000000..f93de3c
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/Monitor.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl.monitors;
+
+import org.onlab.packet.IpPrefix;
+
+/**
+ * Abstract class for Monitors.
+ */
+public abstract class Monitor {
+    /**
+     * Match enum type with monitor type inside configuration to map them.
+     */
+    public enum Types {
+        RIPE {
+            @Override
+            public String toString() {
+                return "ripe";
+            }
+        },
+        EXABGP {
+            @Override
+            public String toString() {
+                return "exabgp";
+            }
+        }
+    }
+
+    IpPrefix prefix;
+    Monitor(IpPrefix prefix) {
+        this.prefix = prefix;
+    }
+
+    /**
+     * Get prefix of the specific monitor.
+     *
+     * @return prefix
+     */
+    public IpPrefix getPrefix() {
+        return prefix;
+    }
+
+    /**
+     * Set prefix for monitor.
+     *
+     * @param prefix prefix
+     */
+    public void setPrefix(IpPrefix prefix) {
+        this.prefix = prefix;
+    }
+
+    /**
+     * Start monitor to begin capturing incoming BGP packets.
+     */
+    public abstract void startMonitor();
+
+    /**
+     * Stop monitor from capturing incoming BGP packets.
+     */
+    public abstract void stopMonitor();
+
+    /**
+     * Get type of monitor.
+     *
+     * @return enum type
+     */
+    public abstract Types getType();
+
+    /**
+     * Check if monitor is running.
+     *
+     * @return true if running
+     */
+    public abstract boolean isRunning();
+
+    /**
+     * Get host alias e.g. IP address, name.
+     *
+     * @return host alias
+     */
+    public abstract String getHost();
+
+    /**
+     * Set alias of host.
+     *
+     * @param host alias
+     */
+    public abstract void setHost(String host);
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/RipeMonitor.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/RipeMonitor.java
new file mode 100644
index 0000000..e121c10
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/RipeMonitor.java
@@ -0,0 +1,181 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.artemis.impl.monitors;
+
+import io.socket.client.IO;
+import io.socket.client.Socket;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.artemis.impl.ArtemisManager;
+import org.onosproject.artemis.impl.DataHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URISyntaxException;
+import java.util.Objects;
+
+/**
+ * Implementation of RIPE Route Collector Monitor.
+ */
+public class RipeMonitor extends Monitor {
+    private String host;
+    private Socket socket;
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    public RipeMonitor(IpPrefix prefix, String host) {
+        super(prefix);
+        this.host = host;
+    }
+
+    /**
+     * socket.io onConnect event handler.
+     */
+    private void onConnect() {
+        try {
+            socket.emit("ping");
+
+            JSONObject parameters = new JSONObject();
+            parameters.put("origin", (Object) null);
+            parameters.put("type", (Object) null);
+            parameters.put("moreSpecific", true);
+            parameters.put("lessSpecific", false);
+            parameters.put("peer", (Object) null);
+            parameters.put("host", this.host);
+            parameters.put("prefix", this.prefix);
+
+            socket.emit("ris_subscribe", parameters);
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * socket.io onRisMessage event handler.
+     * This event is custom made that triggers when it receives an BGP update/withdraw for our prefix.
+     *
+     * @param args RIS message
+     */
+    private void onRisMessage(Object[] args) {
+        try {
+            JSONObject message = (JSONObject) args[0];
+            if (message.getString("type").equals("A")) {
+                // Write BGP message to a json database
+                DataHandler.Serializer.writeData(args[0]);
+
+                if (ArtemisManager.logging) {
+                    log.info(message.toString());
+                }
+
+                // Example of BGP Update message:
+                // {
+                //  "timestamp":1488044022.97,
+                //  "prefix":"101.1.46.0/24",
+                //  "host":"rrc21",
+                //  "next_hop":"37.49.236.246",
+                //  "peer":"37.49.236.246",
+                //  "path":[2613,25091,9318,9524],
+                //  "type":"A"
+                // }
+
+                // We want to keep only prefix and path in memory.
+                message.remove("community");
+                message.remove("timestamp");
+                message.remove("next_hop");
+                message.remove("peer");
+                message.remove("type");
+                message.remove("host");
+
+                // Append synchronized message to message list in memory.
+                DataHandler.getInstance().appendData(message);
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+        socket.emit("ping");
+    }
+
+    @Override
+    public void startMonitor() {
+        if (!isRunning()) {
+            log.info("Starting RIPE monitor for " + prefix + " / " + host);
+            IO.Options opts = new IO.Options();
+            opts.path = "/stream/socket.io/";
+
+            try {
+                this.socket = IO.socket("http://stream-dev.ris.ripe.net/", opts);
+                this.socket.on(Socket.EVENT_CONNECT, args -> onConnect());
+                this.socket.on(Socket.EVENT_PONG, args -> socket.emit("ping"));
+                this.socket.on("ris_message", this::onRisMessage);
+            } catch (URISyntaxException e) {
+                e.printStackTrace();
+            }
+
+            this.socket.connect();
+        }
+    }
+
+    @Override
+    public void stopMonitor() {
+        if (isRunning()) {
+            log.info("Stopping RIPE monitor for " + prefix + " / " + host);
+            this.socket.off();
+            this.socket.disconnect();
+            this.socket.close();
+            this.socket = null;
+        }
+    }
+
+    @Override
+    public Types getType() {
+        return Types.RIPE;
+    }
+
+    @Override
+    public boolean isRunning() {
+        return this.socket != null;
+    }
+
+    @Override
+    public String getHost() {
+        return host;
+    }
+
+    @Override
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(prefix, host);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof RipeMonitor) {
+            final RipeMonitor that = (RipeMonitor) obj;
+            return Objects.equals(this.prefix, that.prefix) &&
+                    Objects.equals(this.host, that.host);
+        }
+        return false;
+    }
+
+}
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/package-info.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/package-info.java
new file mode 100644
index 0000000..aa8ded7
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Route Collector Monitors.
+ */
+package org.onosproject.artemis.impl.monitors;
\ No newline at end of file
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/package-info.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/package-info.java
new file mode 100755
index 0000000..6445f38
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Artemis component.
+ */
+package org.onosproject.artemis.impl;
\ No newline at end of file