PING www.zdravopravo.cz (81.91.86.13) 56(84) bytes of data.
64 bytes from php56.web4u.cz (81.91.86.13): icmp_seq=1 ttl=61 time=20.5 ms
64 bytes from php56.web4u.cz (81.91.86.13): icmp_seq=2 ttl=61 time=18.2 ms
64 bytes from php56.web4u.cz (81.91.86.13): icmp_seq=3 ttl=61 time=18.1 ms

--- www.zdravopravo.cz ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 18.169/18.990/20.593/1.138 ms