PING ln.offcn.com.ctadns.cn (14.29.101.168) 56(84) bytes of data.
64 bytes from 14.29.101.168 (14.29.101.168): icmp_seq=1 ttl=54 time=251 ms
64 bytes from 14.29.101.168 (14.29.101.168): icmp_seq=2 ttl=54 time=245 ms
64 bytes from 14.29.101.168 (14.29.101.168): icmp_seq=3 ttl=54 time=244 ms

--- ln.offcn.com.ctadns.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 244.968/247.273/251.741/3.211 ms