diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListNetworkCommand.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListNetworkCommand.java
new file mode 100644
index 0000000..dfaed15
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListNetworkCommand.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * 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.kubevirtnetworking.cli;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
+import org.apache.commons.lang.StringUtils;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetwork;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService;
+
+import java.util.Comparator;
+import java.util.List;
+
+import static org.onosproject.kubevirtnetworking.api.Constants.CLI_ID_LENGTH;
+import static org.onosproject.kubevirtnetworking.api.Constants.CLI_IP_ADDRESS_LENGTH;
+import static org.onosproject.kubevirtnetworking.api.Constants.CLI_MARGIN_LENGTH;
+import static org.onosproject.kubevirtnetworking.api.Constants.CLI_NAME_LENGTH;
+import static org.onosproject.kubevirtnetworking.api.Constants.CLI_SEG_ID_LENGTH;
+import static org.onosproject.kubevirtnetworking.api.Constants.CLI_TYPE_LENGTH;
+import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.genFormatString;
+import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.prettyJson;
+
+/**
+ * Lists kubevirt networks.
+ */
+@Service
+@Command(scope = "onos", name = "kubevirt-networks",
+        description = "Lists all kubevirt networks")
+public class KubevirtListNetworkCommand extends AbstractShellCommand {
+    @Override
+    protected void doExecute() throws Exception {
+        KubevirtNetworkService service = get(KubevirtNetworkService.class);
+        List<KubevirtNetwork> networks = Lists.newArrayList(service.networks());
+        networks.sort(Comparator.comparing(KubevirtNetwork::name));
+
+        String format = genFormatString(ImmutableList.of(CLI_ID_LENGTH, CLI_NAME_LENGTH,
+                CLI_TYPE_LENGTH, CLI_SEG_ID_LENGTH, CLI_IP_ADDRESS_LENGTH));
+
+        if (outputJson()) {
+            print("%s", json(networks));
+        } else {
+            print(format, "ID", "Name", "Type", "SegId", "Gateway");
+
+            for (KubevirtNetwork net: networks) {
+                print(format,
+                        StringUtils.substring(net.networkId(),
+                                0, CLI_ID_LENGTH - CLI_MARGIN_LENGTH),
+                        StringUtils.substring(net.name(),
+                                0, CLI_NAME_LENGTH - CLI_MARGIN_LENGTH),
+                        net.type().toString(),
+                        net.segmentId() == null ? "N/A" : net.segmentId(),
+                        net.gatewayIp() == null ? "" : net.gatewayIp().toString());
+            }
+        }
+    }
+
+    private String json(List<KubevirtNetwork> networks) {
+        ObjectMapper mapper = new ObjectMapper();
+        ArrayNode result = mapper.createArrayNode();
+
+        for (KubevirtNetwork network : networks) {
+            result.add(jsonForEntity(network, KubevirtNetwork.class));
+        }
+        return prettyJson(mapper, result.toString());
+    }
+}
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtil.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtil.java
index 967c23b..e00eb52 100644
--- a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtil.java
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtil.java
@@ -15,11 +15,14 @@
  */
 package org.onosproject.kubevirtnetworking.util;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.commons.lang.StringUtils;
 import org.onosproject.cfg.ConfigProperty;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
+import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 
@@ -69,4 +72,37 @@
 
         return portName;
     }
+
+    /**
+     * Generates string format based on the given string length list.
+     *
+     * @param stringLengths a list of string lengths
+     * @return string format (e.g., %-28s%-15s%-24s%-20s%-15s)
+     */
+    public static String genFormatString(List<Integer> stringLengths) {
+        StringBuilder fsb = new StringBuilder();
+        stringLengths.forEach(length -> {
+            fsb.append("%-");
+            fsb.append(length);
+            fsb.append("s");
+        });
+        return fsb.toString();
+    }
+
+    /**
+     * Prints out the JSON string in pretty format.
+     *
+     * @param mapper        Object mapper
+     * @param jsonString    JSON string
+     * @return pretty formatted JSON string
+     */
+    public static String prettyJson(ObjectMapper mapper, String jsonString) {
+        try {
+            Object jsonObject = mapper.readValue(jsonString, Object.class);
+            return mapper.writerWithDefaultPrettyPrinter().writeValueAsString(jsonObject);
+        } catch (IOException e) {
+            log.debug("Json string parsing exception caused by {}", e);
+        }
+        return null;
+    }
 }
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkWebResource.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkWebResource.java
new file mode 100644
index 0000000..8ab531f
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkWebResource.java
@@ -0,0 +1,189 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+ *
+ * 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.kubevirtnetworking.web;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetwork;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetworkAdminService;
+import org.onosproject.rest.AbstractWebResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import static org.onlab.util.Tools.nullIsNotFound;
+import static org.onlab.util.Tools.readTreeFromStream;
+
+/**
+ * Handles REST API call from CNI plugin.
+ */
+@Path("network")
+public class KubevirtNetworkWebResource extends AbstractWebResource {
+
+    protected final Logger log = LoggerFactory.getLogger(getClass());
+
+    private static final String MESSAGE = "Received network %s request";
+    private static final String NETWORK_NOT_FOUND = "Network is not found for";
+    private static final String NETWORK_INVALID = "Invalid networkId in network update request";
+
+    private static final String RESULT = "result";
+
+    private final KubevirtNetworkAdminService adminService =
+            get(KubevirtNetworkAdminService.class);
+
+    /**
+     * Creates a network from the JSON input stream.
+     *
+     * @param input network JSON input stream
+     * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON
+     * is invalid or duplicated network already exists
+     * @onos.rsModel KubevirtNetwork
+     */
+    @POST
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response createNetwork(InputStream input) {
+        log.trace(String.format(MESSAGE, "CREATE"));
+        URI location;
+
+        try {
+            ObjectNode jsonTree = readTreeFromStream(mapper(), input);
+            final KubevirtNetwork network =
+                    codec(KubevirtNetwork.class).decode(jsonTree, this);
+            adminService.createNetwork(network);
+            location = new URI(network.networkId());
+        } catch (IOException | URISyntaxException e) {
+            throw new IllegalArgumentException(e);
+        }
+
+        return Response.created(location).build();
+    }
+
+    /**
+     * Updates the network with the specified identifier.
+     *
+     * @param id    network identifier
+     * @param input network JSON input stream
+     * @return 200 OK with the updated network, 400 BAD_REQUEST if the requested
+     * network does not exist
+     * @onos.rsModel KubevirtNetwork
+     */
+    @PUT
+    @Path("{id}")
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response updateNetwork(@PathParam("id") String id, InputStream input) {
+        log.trace(String.format(MESSAGE, "UPDATED"));
+
+        try {
+            ObjectNode jsonTree = readTreeFromStream(mapper(), input);
+            JsonNode specifiedNetworkId = jsonTree.get("networkId");
+
+            if (specifiedNetworkId != null && !specifiedNetworkId.asText().equals(id)) {
+                throw new IllegalArgumentException(NETWORK_INVALID);
+            }
+
+            final KubevirtNetwork network =
+                    codec(KubevirtNetwork.class).decode(jsonTree, this);
+            adminService.updateNetwork(network);
+        } catch (IOException e) {
+            throw new IllegalArgumentException(e);
+        }
+
+        return Response.ok().build();
+    }
+
+    /**
+     * Removes the network with the given id.
+     *
+     * @param id network identifier
+     * @return 204 NO_CONTENT, 400 BAD_REQUEST if the network does not exist
+     */
+    @DELETE
+    @Path("{id}")
+    public Response removeNetwork(@PathParam("id") String id) {
+        log.trace(String.format(MESSAGE, "DELETE " + id));
+
+        adminService.removeNetwork(id);
+        return Response.noContent().build();
+    }
+
+    /**
+     * Checks whether the network exists with given network id.
+     *
+     * @param id network identifier
+     * @return 200 OK with true/false result
+     */
+    @GET
+    @Path("exist/{id}")
+    public Response hasNetwork(@PathParam("id") String id) {
+        log.trace(String.format(MESSAGE, "QUERY " + id));
+
+        ObjectNode root = mapper().createObjectNode();
+        KubevirtNetwork network = adminService.network(id);
+
+        if (network == null) {
+            root.put(RESULT, false);
+        } else {
+            root.put(RESULT, true);
+        }
+
+        return Response.ok(root).build();
+    }
+
+    /**
+     * Returns set of all networks.
+     *
+     * @return 200 OK with set of all networks
+     * @onos.rsModel KubevirtNetworks
+     */
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response getNetworks() {
+        final Iterable<KubevirtNetwork> networks = adminService.networks();
+        return ok(encodeArray(KubevirtNetwork.class, "networks", networks)).build();
+    }
+
+    /**
+     * Returns the network with the specified identifier.
+     *
+     * @param id network identifier
+     * @return 200 OK with a network, 404 not found
+     * @onos.rsModel KubevirtNetwork
+     */
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    @Path("{id}")
+    public Response getNetworkById(@PathParam("id") String id) {
+        final KubevirtNetwork network = nullIsNotFound(adminService.network(id),
+                NETWORK_NOT_FOUND + id);
+        return ok(codec(KubevirtNetwork.class).encode(network, this)).build();
+    }
+}
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingCodecRegister.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingCodecRegister.java
new file mode 100644
index 0000000..a9d2d20
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingCodecRegister.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * 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.kubevirtnetworking.web;
+
+import org.onosproject.codec.CodecService;
+import org.onosproject.kubevirtnetworking.api.KubevirtHostRoute;
+import org.onosproject.kubevirtnetworking.api.KubevirtIpPool;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetwork;
+import org.onosproject.kubevirtnetworking.codec.KubevirtHostRouteCodec;
+import org.onosproject.kubevirtnetworking.codec.KubevirtIpPoolCodec;
+import org.onosproject.kubevirtnetworking.codec.KubevirtNetworkCodec;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
+import org.slf4j.Logger;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Implementation of the JSON codec brokering service for KubevirtNetworking.
+ */
+@Component(immediate = true)
+public class KubevirtNetworkingCodecRegister {
+
+    private final Logger log = getLogger(getClass());
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
+    protected CodecService codecService;
+
+    @Activate
+    protected void activate() {
+
+        codecService.registerCodec(KubevirtHostRoute.class, new KubevirtHostRouteCodec());
+        codecService.registerCodec(KubevirtIpPool.class, new KubevirtIpPoolCodec());
+        codecService.registerCodec(KubevirtNetwork.class, new KubevirtNetworkCodec());
+
+        log.info("Started");
+    }
+
+    @Deactivate
+    protected void deactivate() {
+
+        codecService.unregisterCodec(KubevirtHostRoute.class);
+        codecService.unregisterCodec(KubevirtIpPool.class);
+        codecService.unregisterCodec(KubevirtNetwork.class);
+
+        log.info("Stopped");
+    }
+}
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebApplication.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebApplication.java
index 5ae1453..71f3eb4 100644
--- a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebApplication.java
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebApplication.java
@@ -25,6 +25,6 @@
 public class KubevirtNetworkingWebApplication extends AbstractWebApplication {
     @Override
     public Set<Class<?>> getClasses() {
-        return getClasses(KubevirtNetworkingWebResource.class);
+        return getClasses(KubevirtNetworkWebResource.class);
     }
 }
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebResource.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebResource.java
deleted file mode 100644
index 1f98048..0000000
--- a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingWebResource.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright 2020-present Open Networking Foundation
- *
- * 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.kubevirtnetworking.web;
-
-import org.onosproject.rest.AbstractWebResource;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.ws.rs.Consumes;
-import javax.ws.rs.POST;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.io.InputStream;
-
-@Path("network")
-public class KubevirtNetworkingWebResource extends AbstractWebResource {
-
-    protected final Logger log = LoggerFactory.getLogger(getClass());
-
-    /**
-     * Creates a network from the JSON input stream.
-     *
-     * @param input network JSON input stream
-     * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON
-     * is invalid or duplicated network already exists
-     * @onos.rsModel KubevirtNetwork
-     */
-    @POST
-    @Consumes(MediaType.APPLICATION_JSON)
-    @Produces(MediaType.APPLICATION_JSON)
-    public Response dummy(InputStream input) {
-        return Response.ok().build();
-    }
-}
diff --git a/apps/kubevirt-networking/app/src/main/resources/definitions/KubevirtNetworks.json b/apps/kubevirt-networking/app/src/main/resources/definitions/KubevirtNetworks.json
new file mode 100644
index 0000000..f838b60
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/main/resources/definitions/KubevirtNetworks.json
@@ -0,0 +1,66 @@
+{
+  "type": "object",
+  "title": "regions",
+  "required": [
+    "regions"
+  ],
+  "properties": {
+    "regions": {
+      "type": "array",
+      "xml": {
+        "name": "regions",
+        "wrapped": true
+      },
+      "items": {
+        "type": "object",
+        "description": "A network object.",
+        "required": [
+          "networkId",
+          "type",
+          "name",
+          "segmentId",
+          "gatewayIp",
+          "cidr",
+          "mtu"
+        ],
+        "properties": {
+          "networkId": {
+            "type": "string",
+            "example": "sona-network",
+            "description": "The ID of the attached network."
+          },
+          "type": {
+            "type": "string",
+            "example": "VXLAN",
+            "description": "Type of kubernetes network."
+          },
+          "name": {
+            "type": "string",
+            "example": "sona-network",
+            "description": "The name of network."
+          },
+          "segmentId": {
+            "type": "string",
+            "example": "1",
+            "description": "Segment ID of tenant network."
+          },
+          "gatewayIp": {
+            "type": "string",
+            "example": "10.10.10.1",
+            "description": "The IP address of the gateway."
+          },
+          "cidr": {
+            "type": "string",
+            "example": "10.10.10.0/24",
+            "description": "The CIDR of this network."
+          },
+          "mtu": {
+            "type": "integer",
+            "example": 1500,
+            "description": "The Maximum Transmission Unit of this network."
+          }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkWebResourceTest.java b/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkWebResourceTest.java
new file mode 100644
index 0000000..8a06018
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkWebResourceTest.java
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * 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.kubevirtnetworking.web;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.osgi.TestServiceDirectory;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecService;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.kubevirtnetworking.api.DefaultKubevirtNetwork;
+import org.onosproject.kubevirtnetworking.api.KubevirtHostRoute;
+import org.onosproject.kubevirtnetworking.api.KubevirtIpPool;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetwork;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetworkAdminService;
+import org.onosproject.kubevirtnetworking.codec.KubevirtHostRouteCodec;
+import org.onosproject.kubevirtnetworking.codec.KubevirtIpPoolCodec;
+import org.onosproject.kubevirtnetworking.codec.KubevirtNetworkCodec;
+import org.onosproject.rest.resources.ResourceTest;
+
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.InputStream;
+
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.anyString;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Unit tests for kubevirt network REST API.
+ */
+public class KubevirtNetworkWebResourceTest extends ResourceTest {
+
+    final KubevirtNetworkAdminService mockAdminService = createMock(KubevirtNetworkAdminService.class);
+    private static final String PATH = "network";
+
+    private KubevirtNetwork network;
+
+    /**
+     * Constructs a kubernetes networking resource test instance.
+     */
+    public KubevirtNetworkWebResourceTest() {
+        super(ResourceConfig.forApplicationClass(KubevirtNetworkingWebApplication.class));
+    }
+
+    /**
+     * Sets up the global values for all the tests.
+     */
+    @Before
+    public void setUpTest() {
+        final CodecManager codecService = new CodecManager();
+        codecService.activate();
+        codecService.registerCodec(KubevirtHostRoute.class, new KubevirtHostRouteCodec());
+        codecService.registerCodec(KubevirtIpPool.class, new KubevirtIpPoolCodec());
+        codecService.registerCodec(KubevirtNetwork.class, new KubevirtNetworkCodec());
+        ServiceDirectory testDirectory =
+                new TestServiceDirectory()
+                        .add(KubevirtNetworkAdminService.class, mockAdminService)
+                        .add(CodecService.class, codecService);
+        setServiceDirectory(testDirectory);
+
+        network = DefaultKubevirtNetwork.builder()
+                .networkId("network")
+                .name("network")
+                .type(KubevirtNetwork.Type.FLAT)
+                .cidr("10.10.10.0/24")
+                .mtu(1500)
+                .gatewayIp(IpAddress.valueOf("10.10.10.1"))
+                .ipPool(new KubevirtIpPool(IpAddress.valueOf("10.10.10.100"),
+                        IpAddress.valueOf("10.10.10.200")))
+                .build();
+    }
+
+    /**
+     * Tests the results of the REST API POST method with creating new network operation.
+     */
+    @Test
+    public void testCreateNetworkWithCreateOperation() {
+        mockAdminService.createNetwork(anyObject());
+        replay(mockAdminService);
+
+        final WebTarget wt = target();
+        InputStream jsonStream = KubevirtNetworkWebResourceTest.class
+                .getResourceAsStream("kubevirt-network.json");
+        Response response = wt.path(PATH).request(MediaType.APPLICATION_JSON_TYPE)
+                .post(Entity.json(jsonStream));
+        final int status = response.getStatus();
+
+        assertThat(status, is(201));
+
+        verify(mockAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API PUT method with modifying the network.
+     */
+    @Test
+    public void testUpdateNetworkWithModifyOperation() {
+        mockAdminService.updateNetwork(anyObject());
+        replay(mockAdminService);
+
+        String location = PATH + "/network";
+
+        final WebTarget wt = target();
+        InputStream jsonStream = KubevirtNetworkWebResourceTest.class
+                .getResourceAsStream("kubevirt-network.json");
+        Response response = wt.path(location)
+                .request(MediaType.APPLICATION_JSON_TYPE)
+                .put(Entity.json(jsonStream));
+        final int status = response.getStatus();
+
+        assertThat(status, is(200));
+
+        verify(mockAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API DELETE method with deleting the network.
+     */
+    @Test
+    public void testDeleteNetworkWithDeletionOperation() {
+        mockAdminService.removeNetwork(anyString());
+        replay(mockAdminService);
+
+        String location = PATH + "/network";
+
+        final WebTarget wt = target();
+        Response response = wt.path(location).request(
+                MediaType.APPLICATION_JSON_TYPE).delete();
+
+        final int status = response.getStatus();
+
+        assertThat(status, is(204));
+
+        verify(mockAdminService);
+    }
+
+    /**
+     * Tests the results of checking network existence.
+     */
+    @Test
+    public void testHasNetworkWithValidNetwork() {
+        expect(mockAdminService.network(anyString())).andReturn(network);
+        replay(mockAdminService);
+
+        String location = PATH + "/exist/network";
+
+        final WebTarget wt = target();
+        String response = wt.path(location).request(
+                MediaType.APPLICATION_JSON_TYPE).get(String.class);
+
+        assertThat(response, is("{\"result\":true}"));
+
+        verify((mockAdminService));
+    }
+
+    /**
+     * Tests the results of checking network existence.
+     */
+    @Test
+    public void testHasNetworkWithNullNetwork() {
+        expect(mockAdminService.network(anyString())).andReturn(null);
+        replay(mockAdminService);
+
+        String location = PATH + "/exist/network";
+
+        final WebTarget wt = target();
+        String response = wt.path(location).request(
+                MediaType.APPLICATION_JSON_TYPE).get(String.class);
+
+        assertThat(response, is("{\"result\":false}"));
+
+        verify((mockAdminService));
+    }
+}
diff --git a/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingCodecRegisterTest.java b/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingCodecRegisterTest.java
new file mode 100644
index 0000000..c3784ba
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/web/KubevirtNetworkingCodecRegisterTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * 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.kubevirtnetworking.web;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Maps;
+import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onosproject.codec.CodecService;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.kubevirtnetworking.api.KubevirtHostRoute;
+import org.onosproject.kubevirtnetworking.api.KubevirtIpPool;
+import org.onosproject.kubevirtnetworking.api.KubevirtNetwork;
+import org.onosproject.kubevirtnetworking.codec.KubevirtHostRouteCodec;
+import org.onosproject.kubevirtnetworking.codec.KubevirtIpPoolCodec;
+import org.onosproject.kubevirtnetworking.codec.KubevirtNetworkCodec;
+
+import java.util.Map;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit tests for kubevirt networking codec register.
+ */
+public class KubevirtNetworkingCodecRegisterTest {
+
+    /**
+     * Tests codec register activation and deactivation.
+     */
+    @Test
+    public void testActivateDeactivate() {
+        KubevirtNetworkingCodecRegister register = new KubevirtNetworkingCodecRegister();
+        CodecService codecService = new TestCodecService();
+
+        TestUtils.setField(register, "codecService", codecService);
+        register.activate();
+
+        assertEquals(KubevirtNetworkCodec.class.getName(),
+                codecService.getCodec(KubevirtNetwork.class).getClass().getName());
+        assertEquals(KubevirtHostRouteCodec.class.getName(),
+                codecService.getCodec(KubevirtHostRoute.class).getClass().getName());
+        assertEquals(KubevirtIpPoolCodec.class.getName(),
+                codecService.getCodec(KubevirtIpPool.class).getClass().getName());
+
+        register.deactivate();
+    }
+
+    private static class TestCodecService implements CodecService {
+
+        private Map<String, JsonCodec> codecMap = Maps.newConcurrentMap();
+
+        @Override
+        public Set<Class<?>> getCodecs() {
+            return ImmutableSet.of();
+        }
+
+        @Override
+        public <T> JsonCodec<T> getCodec(Class<T> entityClass) {
+            return codecMap.get(entityClass.getName());
+        }
+
+        @Override
+        public <T> void registerCodec(Class<T> entityClass, JsonCodec<T> codec) {
+            codecMap.put(entityClass.getName(), codec);
+        }
+
+        @Override
+        public void unregisterCodec(Class<?> entityClass) {
+            codecMap.remove(entityClass.getName());
+        }
+    }
+}
diff --git a/apps/kubevirt-networking/app/src/test/resources/org/onosproject/kubevirtnetworking/web/kubevirt-network.json b/apps/kubevirt-networking/app/src/test/resources/org/onosproject/kubevirtnetworking/web/kubevirt-network.json
new file mode 100644
index 0000000..d8a0a1f
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/test/resources/org/onosproject/kubevirtnetworking/web/kubevirt-network.json
@@ -0,0 +1,12 @@
+{
+  "networkId": "network",
+  "name": "network",
+  "type": "FLAT",
+  "mtu": 1500,
+  "cidr": "10.10.10.0/24",
+  "gatewayIp": "10.10.10.1",
+  "ipPool": {
+    "start": "10.10.10.100",
+    "end": "10.10.10.200"
+  }
+}
\ No newline at end of file