PING ly180.lyqingfeng.cn (180.76.139.180) 56(84) bytes of data.
64 bytes from 180.76.139.180 (180.76.139.180): icmp_seq=1 ttl=51 time=286 ms
64 bytes from 180.76.139.180 (180.76.139.180): icmp_seq=2 ttl=51 time=281 ms
64 bytes from 180.76.139.180 (180.76.139.180): icmp_seq=3 ttl=51 time=281 ms

--- ly180.lyqingfeng.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2115ms
rtt min/avg/max/mdev = 281.309/283.180/286.319/2.233 ms