PING jgbex.jianfeiqun.com (156.252.150.55) 56(84) bytes of data.
64 bytes from 156.252.150.55 (156.252.150.55): icmp_seq=1 ttl=121 time=146 ms
64 bytes from 156.252.150.55 (156.252.150.55): icmp_seq=2 ttl=121 time=145 ms
64 bytes from 156.252.150.55 (156.252.150.55): icmp_seq=3 ttl=121 time=145 ms

--- jgbex.jianfeiqun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 145.530/145.754/146.119/0.260 ms