PING tonan.cn (38.28.129.38) 56(84) bytes of data.
64 bytes from 38.28.129.38 (38.28.129.38): icmp_seq=1 ttl=57 time=142 ms
64 bytes from 38.28.129.38 (38.28.129.38): icmp_seq=2 ttl=57 time=141 ms
64 bytes from 38.28.129.38 (38.28.129.38): icmp_seq=3 ttl=57 time=141 ms

--- tonan.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 141.007/141.607/142.622/0.842 ms