PING www.poznan.poprzerwie.pl (2.57.137.47) 56(84) bytes of data.
64 bytes from s47.zenbox.pl (2.57.137.47): icmp_seq=1 ttl=60 time=21.8 ms
64 bytes from s47.zenbox.pl (2.57.137.47): icmp_seq=2 ttl=60 time=21.7 ms
64 bytes from s47.zenbox.pl (2.57.137.47): icmp_seq=3 ttl=60 time=21.7 ms

--- www.poznan.poprzerwie.pl ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 21.704/21.761/21.868/0.075 ms