PING www.chengxlunwen.com (38.12.77.134) 56(84) bytes of data.
64 bytes from 38.12.77.134 (38.12.77.134): icmp_seq=1 ttl=57 time=143 ms

--- www.chengxlunwen.com ping statistics ---
3 packets transmitted, 1 received, 66% packet loss, time 2044ms
rtt min/avg/max/mdev = 143.271/143.271/143.271/0.000 ms