PING www.dgfengshan.com (172.120.220.56) 56(84) bytes of data.
64 bytes from 172.120.220.56 (172.120.220.56): icmp_seq=1 ttl=124 time=145 ms
64 bytes from 172.120.220.56 (172.120.220.56): icmp_seq=2 ttl=124 time=141 ms
64 bytes from 172.120.220.56 (172.120.220.56): icmp_seq=3 ttl=124 time=141 ms

--- www.dgfengshan.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 141.922/143.036/145.235/1.614 ms