PING www.qdhengrui.com.cn (154.206.176.142) 56(84) bytes of data.
64 bytes from 154.206.176.142 (154.206.176.142): icmp_seq=1 ttl=59 time=186 ms
64 bytes from 154.206.176.142 (154.206.176.142): icmp_seq=2 ttl=59 time=186 ms
64 bytes from 154.206.176.142 (154.206.176.142): icmp_seq=3 ttl=59 time=186 ms

--- www.qdhengrui.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 186.430/186.530/186.726/0.138 ms