PING wf-car.cn (38.11.186.28) 56(84) bytes of data.
64 bytes from 38.11.186.28 (38.11.186.28): icmp_seq=1 ttl=121 time=143 ms
64 bytes from 38.11.186.28 (38.11.186.28): icmp_seq=2 ttl=121 time=141 ms
64 bytes from 38.11.186.28 (38.11.186.28): icmp_seq=3 ttl=121 time=141 ms

--- wf-car.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 141.713/142.485/143.964/1.090 ms