diff --git a/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java b/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java
index 36b6f81b0c..50472716fc 100644
--- a/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java
+++ b/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java
@@ -32,6 +32,11 @@ public final class Ip4Address extends IpAddress {
     public static final int BYTE_LENGTH = IpAddress.INET_BYTE_LENGTH;
     public static final int BIT_LENGTH = IpAddress.INET_BIT_LENGTH;
 
+    /**
+     * All-zero unspecified IPv4 address.
+     */
+    public static final Ip4Address ZERO = Ip4Address.valueOf("0.0.0.0");
+
     /**
      * Constructor for given IP address version and address octets.
      *
diff --git a/utils/misc/src/main/java/org/onlab/packet/Ip6Address.java b/utils/misc/src/main/java/org/onlab/packet/Ip6Address.java
index 02a1e15dc0..046920a2b2 100644
--- a/utils/misc/src/main/java/org/onlab/packet/Ip6Address.java
+++ b/utils/misc/src/main/java/org/onlab/packet/Ip6Address.java
@@ -31,6 +31,11 @@ public final class Ip6Address extends IpAddress {
     public static final int BYTE_LENGTH = IpAddress.INET6_BYTE_LENGTH;
     public static final int BIT_LENGTH = IpAddress.INET6_BIT_LENGTH;
 
+    /**
+     * All-zero unspecified IPv6 address.
+     */
+    public static final Ip6Address ZERO = Ip6Address.valueOf("::");
+
     /**
      * Constructor for given IP address version and address octets.
      *