try { return InetAddress.getByName(toString()); } catch (UnknownHostException e) {  e.printStackTrace(); return null; }
return ((addr >> 24) & 0xFF) + "." + ((addr >> 16) & 0xFF) + "." + ((addr >> 8) & 0xFF) + "." + (addr & 0xFF);
	InetAddress getAddress()	{	    try {		return InetAddress.getByName(toString());	    } catch (UnknownHostException e) {		// should not happen		e.printStackTrace();		return null;	    }	}