PING www.pfsbt.cn (38.12.160.238) 56(84) bytes of data.
64 bytes from 38.12.160.238 (38.12.160.238): icmp_seq=1 ttl=122 time=150 ms
64 bytes from 38.12.160.238 (38.12.160.238): icmp_seq=2 ttl=122 time=149 ms
64 bytes from 38.12.160.238 (38.12.160.238): icmp_seq=3 ttl=122 time=149 ms

--- www.pfsbt.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 149.319/149.594/150.077/0.342 ms