diff --git a/core/api/src/main/java/org/onlab/onos/net/host/PortAddresses.java b/core/api/src/main/java/org/onlab/onos/net/host/PortAddresses.java
index 7d22877..728d922 100644
--- a/core/api/src/main/java/org/onlab/onos/net/host/PortAddresses.java
+++ b/core/api/src/main/java/org/onlab/onos/net/host/PortAddresses.java
@@ -9,6 +9,8 @@
 import org.onlab.packet.IpPrefix;
 import org.onlab.packet.MacAddress;
 
+import com.google.common.base.MoreObjects;
+
 /**
  * Represents address information bound to a port.
  */
@@ -83,4 +85,13 @@
     public int hashCode() {
         return Objects.hash(connectPoint, ipAddresses, macAddress);
     }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+            .add("connect-point", connectPoint)
+            .add("ip-addresses", ipAddresses)
+            .add("mac-address", macAddress)
+            .toString();
+    }
 }