PING underground-www.shnengfei.com (38.11.214.155) 56(84) bytes of data.
64 bytes from 38.11.214.155 (38.11.214.155): icmp_seq=1 ttl=121 time=145 ms
64 bytes from 38.11.214.155 (38.11.214.155): icmp_seq=2 ttl=121 time=143 ms
64 bytes from 38.11.214.155 (38.11.214.155): icmp_seq=3 ttl=121 time=143 ms

--- underground-www.shnengfei.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 143.480/144.127/145.230/0.783 ms