PING naukajazdy.pl (2.57.137.13) 56(84) bytes of data.
64 bytes from s13.zenbox.pl (2.57.137.13): icmp_seq=1 ttl=60 time=20.8 ms
64 bytes from s13.zenbox.pl (2.57.137.13): icmp_seq=2 ttl=60 time=20.6 ms
64 bytes from s13.zenbox.pl (2.57.137.13): icmp_seq=3 ttl=60 time=20.6 ms

--- naukajazdy.pl ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 20.653/20.744/20.898/0.198 ms