diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/AutonomousSystemNumberSubObject.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/AutonomousSystemNumberSubObject.java
new file mode 100644
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--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/AutonomousSystemNumberSubObject.java
@@ -0,0 +1,146 @@
+/*
+ * 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.
+ */
+
+/**
+ * @author b00295750
+ *
+ */
+package org.onosproject.pcepio.types;
+
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provides Autonomous system number sub object.
+ */
+public class AutonomousSystemNumberSubObject implements PcepValueType {
+
+    /*Reference : RFC 3209 : 4.3.3.4
+     *  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
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    |L|    Type     |     Length    |      AS number (2-octet)      |
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     */
+    protected static final Logger log = LoggerFactory.getLogger(AutonomousSystemNumberSubObject.class);
+
+    public static final byte TYPE = (byte) 0x32;
+    public static final byte LENGTH = 4;
+    public static final byte VALUE_LENGTH = 2;
+    public static final byte OBJ_LENGTH = 4;
+    public static final byte LBIT = 0;
+    public static final int SHIFT_LBIT_POSITION = 7;
+    private short asNumber;
+
+    /**
+     * Constructor to initialize AS number.
+     *
+     * @param asNumber AS number
+     */
+    public AutonomousSystemNumberSubObject(short asNumber) {
+        this.asNumber = asNumber;
+    }
+
+    /**
+     * Returns a new instance of AutonomousSystemNumberSubObject.
+     *
+     * @param asNumber AS number
+     * @return object of AutonomousSystemNumberSubObject
+     */
+    public static AutonomousSystemNumberSubObject of(short asNumber) {
+        return new AutonomousSystemNumberSubObject(asNumber);
+    }
+
+    /**
+     * Returns value of AS number.
+     *
+     * @return value of AS number
+     */
+    public short getAsNumber() {
+        return asNumber;
+    }
+
+    @Override
+    public PcepVersion getVersion() {
+        return PcepVersion.PCEP_1;
+    }
+
+    @Override
+    public short getType() {
+        return TYPE;
+    }
+
+    @Override
+    public short getLength() {
+        return LENGTH;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(asNumber);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof AutonomousSystemNumberSubObject) {
+            AutonomousSystemNumberSubObject other = (AutonomousSystemNumberSubObject) obj;
+            return Objects.equals(this.asNumber, other.asNumber);
+        }
+        return false;
+    }
+
+    /**
+     * Reads the channel buffer and returns object of AutonomousSystemNumberSubObject.
+     *
+     * @param c type of channel buffer
+     * @return object of AutonomousSystemNumberSubObject
+     */
+    public static PcepValueType read(ChannelBuffer c) {
+        short asNumber = c.readShort();
+        return new AutonomousSystemNumberSubObject(asNumber);
+    }
+
+    @Override
+    public int write(ChannelBuffer c) {
+        int iLenStartIndex = c.writerIndex();
+        byte bValue = LBIT;
+        bValue = (byte) (bValue << SHIFT_LBIT_POSITION);
+        bValue = (byte) (bValue | TYPE);
+        c.writeByte(bValue);
+        c.writeByte(OBJ_LENGTH);
+        c.writeShort(asNumber);
+
+        return c.writerIndex() - iLenStartIndex;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("Type", TYPE)
+                .add("Length", LENGTH)
+                .add("AsNumber", asNumber)
+                .toString();
+    }
+}