PING www.dgrongyi.com (172.121.160.102) 56(84) bytes of data.
64 bytes from 172.121.160.102 (172.121.160.102): icmp_seq=1 ttl=123 time=143 ms
64 bytes from 172.121.160.102 (172.121.160.102): icmp_seq=2 ttl=123 time=141 ms
64 bytes from 172.121.160.102 (172.121.160.102): icmp_seq=3 ttl=123 time=141 ms

--- www.dgrongyi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 141.671/142.418/143.831/0.999 ms