PING www.feigey.cn (38.11.81.20) 56(84) bytes of data.
64 bytes from 38.11.81.20 (38.11.81.20): icmp_seq=1 ttl=121 time=144 ms
64 bytes from 38.11.81.20 (38.11.81.20): icmp_seq=2 ttl=121 time=142 ms
64 bytes from 38.11.81.20 (38.11.81.20): icmp_seq=3 ttl=121 time=142 ms

--- www.feigey.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 142.370/143.058/144.366/0.975 ms