PING www.kluboko.cz (136.243.20.99) 56(84) bytes of data.
64 bytes from host.vipnet.cz (136.243.20.99): icmp_seq=1 ttl=59 time=15.7 ms
64 bytes from host.vipnet.cz (136.243.20.99): icmp_seq=2 ttl=59 time=11.7 ms
64 bytes from host.vipnet.cz (136.243.20.99): icmp_seq=3 ttl=59 time=11.9 ms

--- www.kluboko.cz ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 11.741/13.165/15.782/1.852 ms