PING a1.951n.cn (43.242.200.247) 56(84) bytes of data.
64 bytes from 43.242.200.247 (43.242.200.247): icmp_seq=1 ttl=54 time=193 ms
64 bytes from 43.242.200.247 (43.242.200.247): icmp_seq=2 ttl=54 time=211 ms
64 bytes from 43.242.200.247 (43.242.200.247): icmp_seq=3 ttl=54 time=198 ms

--- a1.951n.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 193.245/201.291/211.790/7.775 ms