PING hb.offcn.com.ctadns.cn (14.29.101.169) 56(84) bytes of data.
64 bytes from 14.29.101.169 (14.29.101.169): icmp_seq=1 ttl=56 time=257 ms
64 bytes from 14.29.101.169 (14.29.101.169): icmp_seq=2 ttl=56 time=254 ms
64 bytes from 14.29.101.169 (14.29.101.169): icmp_seq=3 ttl=56 time=255 ms

--- hb.offcn.com.ctadns.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 254.960/256.084/257.315/1.049 ms