sock = UDPSocket.new
sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
sock = UDPSocket.new
sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')