PING cs.huifenghu.net (47.94.9.230) 56(84) bytes of data.
64 bytes from 47.94.9.230 (47.94.9.230): icmp_seq=1 ttl=115 time=254 ms
64 bytes from 47.94.9.230 (47.94.9.230): icmp_seq=2 ttl=115 time=253 ms

--- cs.huifenghu.net ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2003ms
rtt min/avg/max/mdev = 253.682/253.849/254.017/0.530 ms