PING rwth-aachen.de (137.226.107.63) 56(84) bytes of data.
64 bytes from www.pt.rwth-aachen.de (137.226.107.63): icmp_seq=1 ttl=119 time=20.7 ms
64 bytes from www.pt.rwth-aachen.de (137.226.107.63): icmp_seq=2 ttl=119 time=18.9 ms
64 bytes from www.pt.rwth-aachen.de (137.226.107.63): icmp_seq=3 ttl=119 time=18.9 ms

--- rwth-aachen.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 18.925/19.556/20.795/0.876 ms