PING pro-m.ce52.cn (107.148.221.104) 56(84) bytes of data.
64 bytes from 107.148.221.104 (107.148.221.104): icmp_seq=1 ttl=121 time=148 ms
64 bytes from 107.148.221.104 (107.148.221.104): icmp_seq=2 ttl=121 time=148 ms
64 bytes from 107.148.221.104 (107.148.221.104): icmp_seq=3 ttl=121 time=148 ms

--- pro-m.ce52.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 148.168/148.290/148.512/0.351 ms