PING underground-www.wfhsxs.com.cn (172.67.210.180) 56(84) bytes of data.
64 bytes from 172.67.210.180 (172.67.210.180): icmp_seq=1 ttl=59 time=5.15 ms
64 bytes from 172.67.210.180 (172.67.210.180): icmp_seq=2 ttl=59 time=5.10 ms
64 bytes from 172.67.210.180 (172.67.210.180): icmp_seq=3 ttl=59 time=4.97 ms

--- underground-www.wfhsxs.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.971/5.078/5.156/0.097 ms