PING mzlu.cz (195.178.73.178) 56(84) bytes of data.
64 bytes from arachne-fw.mendelu.cz (195.178.73.178): icmp_seq=1 ttl=58 time=20.9 ms
64 bytes from arachne-fw.mendelu.cz (195.178.73.178): icmp_seq=2 ttl=58 time=19.0 ms
64 bytes from arachne-fw.mendelu.cz (195.178.73.178): icmp_seq=3 ttl=58 time=19.1 ms

--- mzlu.cz ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 19.055/19.703/20.939/0.888 ms