PING vrtule.net (109.72.0.10) 56(84) bytes of data.
64 bytes from alfa.web.pb.cz (109.72.0.10): icmp_seq=1 ttl=55 time=20.7 ms
64 bytes from alfa.web.pb.cz (109.72.0.10): icmp_seq=2 ttl=55 time=18.3 ms
64 bytes from alfa.web.pb.cz (109.72.0.10): icmp_seq=3 ttl=55 time=18.3 ms

--- vrtule.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 18.387/19.189/20.784/1.127 ms