PING us.edu.pl (155.158.211.71) 56(84) bytes of data.
64 bytes from new.us.edu.pl (155.158.211.71): icmp_seq=1 ttl=60 time=30.1 ms
64 bytes from new.us.edu.pl (155.158.211.71): icmp_seq=2 ttl=60 time=30.4 ms
64 bytes from new.us.edu.pl (155.158.211.71): icmp_seq=3 ttl=60 time=30.1 ms

--- us.edu.pl ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 30.133/30.244/30.432/0.241 ms