PING yuxuan56.qianyan.biz (112.125.92.98) 56(84) bytes of data.
64 bytes from 112.125.92.98 (112.125.92.98): icmp_seq=1 ttl=115 time=277 ms
64 bytes from 112.125.92.98 (112.125.92.98): icmp_seq=2 ttl=115 time=277 ms
64 bytes from 112.125.92.98 (112.125.92.98): icmp_seq=3 ttl=115 time=277 ms

--- yuxuan56.qianyan.biz ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 277.029/277.208/277.488/0.200 ms