PING knopm.uw.edu.pl (193.0.79.161) 56(84) bytes of data.
64 bytes from old.wdib.uw.edu.pl (193.0.79.161): icmp_seq=1 ttl=61 time=20.5 ms
64 bytes from old.wdib.uw.edu.pl (193.0.79.161): icmp_seq=2 ttl=61 time=19.2 ms
64 bytes from old.wdib.uw.edu.pl (193.0.79.161): icmp_seq=3 ttl=61 time=19.0 ms

--- knopm.uw.edu.pl ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 19.091/19.615/20.536/0.653 ms