diff --git a/core/api/src/main/java/org/onlab/onos/net/host/DefaultHostDescription.java b/core/api/src/main/java/org/onlab/onos/net/host/DefaultHostDescription.java
index bc6e3e5..2e92dad 100644
--- a/core/api/src/main/java/org/onlab/onos/net/host/DefaultHostDescription.java
+++ b/core/api/src/main/java/org/onlab/onos/net/host/DefaultHostDescription.java
@@ -1,6 +1,5 @@
 package org.onlab.onos.net.host;
 
-import com.google.common.collect.ImmutableSet;
 import org.onlab.onos.net.AbstractDescription;
 import org.onlab.onos.net.HostLocation;
 import org.onlab.onos.net.SparseAnnotations;
@@ -8,9 +7,6 @@
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
 
-import java.util.HashSet;
-import java.util.Set;
-
 import static com.google.common.base.MoreObjects.toStringHelper;
 
 /**
@@ -22,7 +18,7 @@
     private final MacAddress mac;
     private final VlanId vlan;
     private final HostLocation location;
-    private final Set<IpPrefix> ips;
+    private final IpPrefix ip;
 
     /**
      * Creates a host description using the supplied information.
@@ -35,7 +31,7 @@
     public DefaultHostDescription(MacAddress mac, VlanId vlan,
                                   HostLocation location,
                                   SparseAnnotations... annotations) {
-        this(mac, vlan, location, new HashSet<IpPrefix>(), annotations);
+        this(mac, vlan, location, null, annotations);
     }
 
     /**
@@ -44,17 +40,17 @@
      * @param mac         host MAC address
      * @param vlan        host VLAN identifier
      * @param location    host location
-     * @param ips         of host IP addresses
+     * @param ip          host IP address
      * @param annotations optional key/value annotations map
      */
     public DefaultHostDescription(MacAddress mac, VlanId vlan,
-                                  HostLocation location, Set<IpPrefix> ips,
+                                  HostLocation location, IpPrefix ip,
                                   SparseAnnotations... annotations) {
         super(annotations);
         this.mac = mac;
         this.vlan = vlan;
         this.location = location;
-        this.ips = new HashSet<>(ips);
+        this.ip = ip;
     }
 
     @Override
@@ -73,8 +69,8 @@
     }
 
     @Override
-    public Set<IpPrefix> ipAddresses() {
-        return ImmutableSet.copyOf(ips);
+    public IpPrefix ipAddress() {
+        return ip;
     }
 
     @Override
@@ -83,7 +79,7 @@
                 .add("mac", mac)
                 .add("vlan", vlan)
                 .add("location", location)
-                .add("ipAddresses", ips)
+                .add("ipAddress", ip)
                 .toString();
     }
 
diff --git a/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java b/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
index 27014b6..f45a383 100644
--- a/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
+++ b/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
@@ -1,7 +1,5 @@
 package org.onlab.onos.net.host;
 
-import java.util.Set;
-
 import org.onlab.onos.net.Description;
 import org.onlab.onos.net.HostLocation;
 import org.onlab.packet.IpPrefix;
@@ -35,10 +33,10 @@
     HostLocation location();
 
     /**
-     * Returns zero or more IP address(es) associated with this host's MAC.
+     * Returns the IP address associated with this host's MAC.
      *
-     * @return a set of IP addresses.
+     * @return host IP address
      */
-    Set<IpPrefix> ipAddresses();
+    IpPrefix ipAddress();
 
 }