PING tengzhou.net (60.191.239.164) 56(84) bytes of data.
64 bytes from 60.191.239.164 (60.191.239.164): icmp_seq=1 ttl=115 time=273 ms
64 bytes from 60.191.239.164 (60.191.239.164): icmp_seq=2 ttl=115 time=273 ms
64 bytes from 60.191.239.164 (60.191.239.164): icmp_seq=3 ttl=115 time=274 ms

--- tengzhou.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 273.501/273.812/274.036/0.483 ms