diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAsLcafAddress.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAsLcafAddress.java
new file mode 100644
index 0000000..0983773
--- /dev/null
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAsLcafAddress.java
@@ -0,0 +1,193 @@
+/*
+ * 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.lisp.msg.types;
+
+import io.netty.buffer.ByteBuf;
+import org.onosproject.lisp.msg.exceptions.LispParseError;
+import org.onosproject.lisp.msg.exceptions.LispReaderException;
+import org.onosproject.lisp.msg.exceptions.LispWriterException;
+
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * AS Numbers type LCAF address class.
+ * <p>
+ * AS Number type is defined in draft-ietf-lisp-lcaf-22
+ * https://tools.ietf.org/html/draft-ietf-lisp-lcaf-22#page-9
+ *
+ * <pre>
+ * {@literal
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |           AFI = 16387         |     Rsvd1     |     Flags     |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |   Type = 3    |     Rsvd2     |             Length            |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                           AS Number                           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |              AFI = x          |         Address  ...          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * }</pre>
+ */
+public final class LispAsLcafAddress extends LispLcafAddress {
+
+    private final LispAfiAddress address;
+    private final int asNumber;
+
+    /**
+     * Initializes AS numbers type LCAF address.
+     *
+     * @param asNumber AS number
+     * @param address  AFI address
+     */
+    private LispAsLcafAddress(int asNumber, LispAfiAddress address) {
+        super(LispCanonicalAddressFormatEnum.AS);
+        this.asNumber = asNumber;
+        this.address = address;
+    }
+
+    /**
+     * Obtains address.
+     *
+     * @return address
+     */
+    public LispAfiAddress getAddress() {
+        return address;
+    }
+
+    /**
+     * Obtains AS number.
+     *
+     * @return AS number
+     */
+    public int getAsNumber() {
+        return asNumber;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(asNumber, address);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof LispAsLcafAddress) {
+            final LispAsLcafAddress other = (LispAsLcafAddress) obj;
+            return Objects.equals(this.asNumber, other.asNumber) &&
+                    Objects.equals(this.address, other.address);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("asNumber", asNumber)
+                .add("address", address)
+                .toString();
+    }
+
+    public static final class AsAddressBuilder
+                                extends LcafAddressBuilder<AsAddressBuilder> {
+        private int asNumber;
+        private LispAfiAddress address;
+
+        /**
+         * Sets AS number.
+         *
+         * @param asNumber AS number
+         * @return AsAddressBuilder object
+         */
+        public AsAddressBuilder withAsNumber(int asNumber) {
+            this.asNumber = asNumber;
+            return this;
+        }
+
+        /**
+         * Sets AFI address.
+         *
+         * @param address AFI address
+         * @return AsAddressBuilder object
+         */
+        public AsAddressBuilder withAddress(LispAfiAddress address) {
+            this.address = address;
+            return this;
+        }
+
+        /**
+         * Builds LispAsLcafAddress instance.
+         *
+         * @return LispAsLcafAddress instance
+         */
+        public LispAsLcafAddress build() {
+
+            checkNotNull(address, "Must specify an address");
+
+            return new LispAsLcafAddress(asNumber, address);
+        }
+    }
+
+    /**
+     * AS number LCAF address reader class.
+     */
+    public static class AsLcafAddressReader
+                        implements LispAddressReader<LispAsLcafAddress> {
+
+        @Override
+        public LispAsLcafAddress readFrom(ByteBuf byteBuf)
+                                    throws LispParseError, LispReaderException {
+
+            LispLcafAddress.deserializeCommon(byteBuf);
+
+            int asNumber = (int) byteBuf.readUnsignedInt();
+            LispAfiAddress address = new AfiAddressReader().readFrom(byteBuf);
+
+            return new AsAddressBuilder()
+                            .withAsNumber(asNumber)
+                            .withAddress(address)
+                            .build();
+        }
+    }
+
+    /**
+     * AS number LCAF address writer class.
+     */
+    public static class AsLcafAddressWriter
+                        implements LispAddressWriter<LispAsLcafAddress> {
+
+        @Override
+        public void writeTo(ByteBuf byteBuf, LispAsLcafAddress address)
+                                                    throws LispWriterException {
+
+            int lcafIndex = byteBuf.writerIndex();
+            LispLcafAddress.serializeCommon(byteBuf, address);
+
+            byteBuf.writeInt(address.getAsNumber());
+
+            new AfiAddressWriter().writeTo(byteBuf, address.getAddress());
+
+            LispLcafAddress.updateLength(lcafIndex, byteBuf);
+        }
+    }
+}
diff --git a/protocols/lisp/msg/src/test/java/org/onosproject/lisp/msg/types/LispAsLcafAddressTest.java b/protocols/lisp/msg/src/test/java/org/onosproject/lisp/msg/types/LispAsLcafAddressTest.java
new file mode 100644
index 0000000..5cac8b89
--- /dev/null
+++ b/protocols/lisp/msg/src/test/java/org/onosproject/lisp/msg/types/LispAsLcafAddressTest.java
@@ -0,0 +1,101 @@
+/*
+ * 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.lisp.msg.types;
+
+import com.google.common.testing.EqualsTester;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onosproject.lisp.msg.exceptions.LispParseError;
+import org.onosproject.lisp.msg.exceptions.LispReaderException;
+import org.onosproject.lisp.msg.exceptions.LispWriterException;
+import org.onosproject.lisp.msg.types.LispAsLcafAddress.AsAddressBuilder;
+import org.onosproject.lisp.msg.types.LispAsLcafAddress.AsLcafAddressReader;
+import org.onosproject.lisp.msg.types.LispAsLcafAddress.AsLcafAddressWriter;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+/**
+ * Unit tests for LispAsLcafAddress class.
+ */
+public class LispAsLcafAddressTest {
+
+    private LispAsLcafAddress address1;
+    private LispAsLcafAddress sameAsAddress1;
+    private LispAsLcafAddress address2;
+
+    @Before
+    public void setup() {
+
+        AsAddressBuilder builder1 = new AsAddressBuilder();
+
+        LispIpv4Address ipv4Address1 = new LispIpv4Address(IpAddress.valueOf("192.168.1.1"));
+
+        address1 = builder1
+                        .withAsNumber(1)
+                        .withAddress(ipv4Address1)
+                        .build();
+
+        AsAddressBuilder builder2 = new AsAddressBuilder();
+
+        sameAsAddress1 = builder2
+                            .withAsNumber(1)
+                            .withAddress(ipv4Address1)
+                            .build();
+
+        AsAddressBuilder builder3 = new AsAddressBuilder();
+
+        LispIpv4Address ipv4Address2 = new LispIpv4Address(IpAddress.valueOf("192.168.2.1"));
+
+        address2 = builder3
+                        .withAsNumber(2)
+                        .withAddress(ipv4Address2)
+                        .build();
+    }
+
+    @Test
+    public void testEquality() {
+        new EqualsTester()
+                .addEqualityGroup(address1, sameAsAddress1)
+                .addEqualityGroup(address2).testEquals();
+    }
+
+    @Test
+    public void testConstruction() {
+        LispAsLcafAddress asLcafAddress = address1;
+
+        LispIpv4Address ipv4Address = new LispIpv4Address(IpAddress.valueOf("192.168.1.1"));
+
+        assertThat(asLcafAddress.getAsNumber(), is(1));
+        assertThat(asLcafAddress.getAddress(), is(ipv4Address));
+    }
+
+    @Test
+    public void testSerialization() throws LispWriterException, LispParseError, LispReaderException {
+        ByteBuf byteBuf = Unpooled.buffer();
+
+        AsLcafAddressWriter writer = new AsLcafAddressWriter();
+        writer.writeTo(byteBuf, address1);
+
+        AsLcafAddressReader reader = new AsLcafAddressReader();
+        LispAsLcafAddress deserialized = reader.readFrom(byteBuf);
+
+        new EqualsTester().addEqualityGroup(address1, deserialized).testEquals();
+    }
+}