code: public static boolean isPubliclyRoutable(final InetAddress addrIP)
  	{
  		if (addrIP == null)
  			throw new NullPointerException("isPubliclyRoutable requires an IP address be passed to it!");
  		return !addrIP.isSiteLocalAddress() && !addrIP.isLinkLocalAddress() && !addrIP.isLoopbackAddress();
  	}
docs: Determines whether a particular IP address is publicly routable on the internet
  
  @param addrIP
  
  @return