diff --git a/of-save/lib/src/main/java/org/projectfloodlight/openflow/types/IPv4AddressWithMask.java b/of-save/lib/src/main/java/org/projectfloodlight/openflow/types/IPv4AddressWithMask.java
new file mode 100644
index 0000000..b6dc1b9
--- /dev/null
+++ b/of-save/lib/src/main/java/org/projectfloodlight/openflow/types/IPv4AddressWithMask.java
@@ -0,0 +1,139 @@
+package org.projectfloodlight.openflow.types;
+
+import javax.annotation.Nonnull;
+
+import com.google.common.base.Preconditions;
+
+
+public class IPv4AddressWithMask extends IPAddressWithMask<IPv4Address> {
+    public final static IPv4AddressWithMask NONE = of(IPv4Address.NONE, IPv4Address.NONE);
+
+    private IPv4AddressWithMask(int rawValue, int rawMask) {
+        super(IPv4Address.of(rawValue), IPv4Address.of(rawMask));
+    }
+
+    private IPv4AddressWithMask(IPv4Address value, IPv4Address mask) {
+        super(value, mask);
+    }
+
+    @Override
+    public IPVersion getIpVersion() {
+        return IPVersion.IPv4;
+    }
+
+    /**
+     * Returns an {@code IPv4AddressWithMask} object that represents the given
+     * raw IP address masked by the given raw IP address mask.
+     *
+     * @param rawValue  the raw IP address to be masked
+     * @param rawMask   the raw IP address mask
+     * @return          an {@code IPv4AddressWithMask} object that represents
+     *                  the given raw IP address masked by the given raw IP
+     *                  address mask
+     * @deprecated      replaced by {@link IPv4Address#of(int)} and
+     *                  {@link IPv4Address#withMask(IPv4Address), e.g. <code>
+     *                  IPv4Address.of(int).withMask(IPv4Address.of(int))
+     *                  </code>
+     */
+    @Nonnull
+    @Deprecated
+    public static IPv4AddressWithMask of(final int rawValue, final int rawMask) {
+        return new IPv4AddressWithMask(rawValue, rawMask);
+    }
+
+    /**
+     * Returns an {@code IPv4AddressWithMask} object that represents the given
+     * IP address masked by the given IP address mask. Both arguments are given
+     * as {@code IPv4Address} objects.
+     *
+     * @param value  the IP address to be masked
+     * @param mask   the IP address mask
+     * @return       an {@code IPv4AddressWithMask} object that represents
+     *               the given IP address masked by the given IP address mask
+     * @throws NullPointerException  if any of the given {@code IPv4Address}
+     *                               objects were {@code null}
+     */
+    @Nonnull
+    public static IPv4AddressWithMask of(
+            @Nonnull final IPv4Address value,
+            @Nonnull final IPv4Address mask) {
+        Preconditions.checkNotNull(value, "value must not be null");
+        Preconditions.checkNotNull(mask, "mask must not be null");
+
+        return new IPv4AddressWithMask(value, mask);
+    }
+
+    /**
+     * Returns an {@code IPv4AddressWithMask} object that corresponds to
+     * the given string in CIDR notation or other acceptable notations.
+     * <p>
+     * The following notations are accepted.
+     * <table><tr>
+     * <th>Notation</th><th>Example</th><th>Notes</th>
+     * </tr><tr>
+     * <td>IPv4 address only</td><td>{@code 1.2.3.4}</td><td>The subnet mask of
+     * prefix length 32 (i.e. {@code 255.255.255.255}) is assumed.</td>
+     * </tr><tr>
+     * <td>IPv4 address/mask</td><td>{@code 1.2.3.4/255.255.255.0}</td>
+     * </tr><tr>
+     * <td>CIDR notation</td><td>{@code 1.2.3.4/24}</td>
+     * </tr></table>
+     *
+     * @param string  the string in acceptable notations
+     * @return        an {@code IPv4AddressWithMask} object that corresponds to
+     *                the given string in acceptable notations
+     * @throws NullPointerException      if the given string was {@code null}
+     * @throws IllegalArgumentException  if the given string was malformed
+     */
+    @Nonnull
+    public static IPv4AddressWithMask of(@Nonnull final String string) {
+        Preconditions.checkNotNull(string, "string must not be null");
+
+        int slashPos;
+        String ip = string;
+        int cidrMaskLength = 32;
+        IPv4Address maskAddress = null;
+
+        // Read mask suffix
+        if ((slashPos = string.indexOf('/')) != -1) {
+            ip = string.substring(0, slashPos);
+            try {
+                String suffix = string.substring(slashPos + 1);
+                if (suffix.length() == 0)
+                    throw new IllegalArgumentException("IP Address not well formed: " + string);
+                if (suffix.indexOf('.') != -1) {
+                    // Full mask
+                    maskAddress = IPv4Address.of(suffix);
+                } else {
+                    // CIDR Suffix
+                    cidrMaskLength = Integer.parseInt(suffix);
+                }
+            } catch (NumberFormatException e) {
+                throw new IllegalArgumentException("IP Address not well formed: " + string);
+            }
+        }
+
+        // Read IP
+        IPv4Address ipv4 = IPv4Address.of(ip);
+
+        if (maskAddress != null) {
+            // Full address mask
+            return IPv4AddressWithMask.of(ipv4, maskAddress);
+        } else {
+            return IPv4AddressWithMask.of(
+                    ipv4, IPv4Address.ofCidrMaskLength(cidrMaskLength));
+        }
+    }
+
+    @Override
+    public boolean contains(IPAddress<?> ip) {
+        Preconditions.checkNotNull(ip, "ip must not be null");
+
+        if(ip.getIpVersion() == IPVersion.IPv4) {
+            IPv4Address ipv4 = (IPv4Address) ip;
+            return this.matches(ipv4);
+        }
+
+        return false;
+    }
+}