PING www.yue-neng.com (121.42.229.186) 56(84) bytes of data.
64 bytes from 121.42.229.186 (121.42.229.186): icmp_seq=1 ttl=47 time=255 ms
64 bytes from 121.42.229.186 (121.42.229.186): icmp_seq=2 ttl=47 time=253 ms
64 bytes from 121.42.229.186 (121.42.229.186): icmp_seq=3 ttl=47 time=253 ms

--- www.yue-neng.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 253.831/254.491/255.780/0.911 ms