PING www.tzkaisuo.cn (156.250.155.142) 56(84) bytes of data.
64 bytes from 156.250.155.142 (156.250.155.142): icmp_seq=1 ttl=53 time=203 ms
64 bytes from 156.250.155.142 (156.250.155.142): icmp_seq=2 ttl=53 time=200 ms
64 bytes from 156.250.155.142 (156.250.155.142): icmp_seq=3 ttl=53 time=200 ms

--- www.tzkaisuo.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 200.411/201.363/203.029/1.237 ms