PING jnnsh.cn (38.38.138.54) 56(84) bytes of data.
64 bytes from 38.38.138.54 (38.38.138.54): icmp_seq=1 ttl=57 time=149 ms
64 bytes from 38.38.138.54 (38.38.138.54): icmp_seq=2 ttl=57 time=149 ms
64 bytes from 38.38.138.54 (38.38.138.54): icmp_seq=3 ttl=57 time=148 ms

--- jnnsh.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 148.824/149.170/149.485/0.521 ms