PING m4s8.cn (154.216.99.181) 56(84) bytes of data.
64 bytes from 154.216.99.181 (154.216.99.181): icmp_seq=1 ttl=54 time=306 ms
64 bytes from 154.216.99.181 (154.216.99.181): icmp_seq=2 ttl=54 time=306 ms
64 bytes from 154.216.99.181 (154.216.99.181): icmp_seq=3 ttl=54 time=306 ms

--- m4s8.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 306.301/306.376/306.525/0.105 ms