import java.nio.ByteBuffer;
import java.util.Map;
import java.net.UnknownHostException;
+import java.io.Serializable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class defines an Inet address mask object.
*/
-public class InetAddressMask {
+public class InetAddressMask implements Cloneable, Serializable {
private String name;
InetAddress networkAddress;