PING www.jzbaidu.net (38.12.81.47) 56(84) bytes of data.
64 bytes from 38.12.81.47 (38.12.81.47): icmp_seq=1 ttl=57 time=143 ms
64 bytes from 38.12.81.47 (38.12.81.47): icmp_seq=2 ttl=57 time=141 ms
64 bytes from 38.12.81.47 (38.12.81.47): icmp_seq=3 ttl=57 time=141 ms

--- www.jzbaidu.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 141.645/142.349/143.725/1.020 ms