diff --git a/src/main/java/net/floodlightcontroller/util/IPv4Net.java b/src/main/java/net/floodlightcontroller/util/IPv4Net.java
new file mode 100644
index 0000000..6c4c651
--- /dev/null
+++ b/src/main/java/net/floodlightcontroller/util/IPv4Net.java
@@ -0,0 +1,66 @@
+package net.floodlightcontroller.util;
+
+import net.floodlightcontroller.util.IPv4;
+
+/**
+ * The class representing an IPv4 network address.
+ */
+public class IPv4Net {
+    private IPv4 address;		// The IPv4 address
+    private short prefixLen;		// The prefix length
+
+    /**
+     * Default constructor.
+     */
+    public IPv4Net() {
+	this.prefixLen = 0;
+    }
+
+    /**
+     * Constructor for a given address and prefix length.
+     *
+     * @param address the address to use.
+     * @param prefixLen the prefix length to use.
+     */
+    public IPv4Net(IPv4 address, short prefixLen) {
+	this.address = address;
+	this.prefixLen = prefixLen;
+    }
+
+    /**
+     * Get the address value of the IPv4Net address.
+     *
+     * @return the address value of the IPv4Net address.
+     */
+    public IPv4 address() { return address; }
+
+    /**
+     * Get the prefix length value of the IPv4Net address.
+     *
+     * @return the prefix length value of the IPv4Net address.
+     */
+    public short prefixLen() { return prefixLen; }
+
+    /**
+     * Set the value of the IPv4Net address.
+     *
+     * @param address the address to use.
+     * @param prefixLen the prefix length to use.
+     */
+    public void setValue(IPv4 address, short prefixLen) {
+	this.address = address;
+	this.prefixLen = prefixLen;
+    }
+
+    /**
+     * Convert the IPv4Net value to an "address/prefixLen" string.
+     *
+     * @return the IPv4Net value as an "address/prefixLen" string.
+     */
+    @Override
+    public String toString() {
+	String ret = "";
+	// TODO: Implement it!
+	return ret;
+    }
+}