PING www.centos.org (81.171.33.202) 56(84) bytes of data.
64 bytes from ip-81.171.33.202.centos.org (81.171.33.202): icmp_seq=1 ttl=55 time=5.95 ms
64 bytes from ip-81.171.33.202.centos.org (81.171.33.202): icmp_seq=2 ttl=55 time=5.01 ms
64 bytes from ip-81.171.33.202.centos.org (81.171.33.202): icmp_seq=3 ttl=55 time=4.89 ms

--- www.centos.org ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2157ms
rtt min/avg/max/mdev = 4.897/5.288/5.950/0.477 ms