PING www.silf.wn.uw.edu.pl (193.0.66.176) 56(84) bytes of data.
64 bytes from 193-0-66-176.uw.edu.pl (193.0.66.176): icmp_seq=1 ttl=61 time=19.0 ms
64 bytes from 193-0-66-176.uw.edu.pl (193.0.66.176): icmp_seq=2 ttl=61 time=18.4 ms
64 bytes from 193-0-66-176.uw.edu.pl (193.0.66.176): icmp_seq=3 ttl=61 time=18.6 ms

--- www.silf.wn.uw.edu.pl ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 18.455/18.723/19.053/0.271 ms