diff --git a/src/main/java/net/onrc/onos/core/util/IPv4.java b/src/main/java/net/onrc/onos/core/util/IPv4.java
new file mode 100644
index 0000000..86795aa
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/util/IPv4.java
@@ -0,0 +1,88 @@
+package net.onrc.onos.core.util;
+
+import net.onrc.onos.core.util.serializers.IPv4Deserializer;
+import net.onrc.onos.core.util.serializers.IPv4Serializer;
+
+import org.codehaus.jackson.map.annotate.JsonDeserialize;
+import org.codehaus.jackson.map.annotate.JsonSerialize;
+
+/**
+ * The class representing an IPv4 address.
+ */
+@JsonDeserialize(using=IPv4Deserializer.class)
+@JsonSerialize(using=IPv4Serializer.class)
+public class IPv4 {
+    private int value;
+
+    /**
+     * Default constructor.
+     */
+    public IPv4() {
+	this.value = 0;
+    }
+
+    /**
+     * Copy constructor.
+     *
+     * @param other the object to copy from.
+     */
+    public IPv4(IPv4 other) {
+	this.value = other.value;
+    }
+
+    /**
+     * Constructor from an integer value.
+     *
+     * @param value the value to use.
+     */
+    public IPv4(int value) {
+	this.value = value;
+    }
+
+    /**
+     * Constructor from a string.
+     *
+     * @param value the value to use.
+     */
+    public IPv4(String value) {
+        String[] splits = value.split("\\.");
+        if (splits.length != 4)
+            throw new IllegalArgumentException("Specified IPv4 address must contain four " +
+					       "numerical digits separated by '.'");
+
+        int result = 0;
+        for (int i = 0; i < 4; ++i) {
+            result |= Integer.valueOf(splits[i]) << ((3-i)*8);
+        }
+	this.value = result;
+    }
+
+    /**
+     * Get the value of the IPv4 address.
+     *
+     * @return the value of the IPv4 address.
+     */
+    public int value() { return value; }
+
+    /**
+     * Set the value of the IPv4 address.
+     *
+     * @param value the value to set.
+     */
+    public void setValue(int value) {
+	this.value = value;
+    }
+
+    /**
+     * Convert the IPv4 value to a '.' separated string.
+     *
+     * @return the IPv4 value as a '.' separated string.
+     */
+    @Override
+    public String toString() {
+	return ((this.value >> 24) & 0xFF) + "." +
+	    ((this.value >> 16) & 0xFF) + "." +
+	    ((this.value >> 8) & 0xFF) + "." +
+	    (this.value & 0xFF);
+    }
+}