public static long fromInet4Address(final InetAddress inetAddress){
  ensureIsInet4Address(inetAddress);
  return Integer.toUnsignedLong(inetAddress.hashCode());
}

public static long fromInet4Address ( final InetAddress inetAddress ) { ensureIsInet4Address ( inetAddress ) ; return Integer . toUnsignedLong ( inetAddress . hashCode ( ) ) ; }
pack ipv4 address and match - all socket flag into a long .
