PING setools.cn (156.236.214.7) 56(84) bytes of data.
64 bytes from 156.236.214.7 (156.236.214.7): icmp_seq=1 ttl=121 time=143 ms
64 bytes from 156.236.214.7 (156.236.214.7): icmp_seq=2 ttl=121 time=141 ms
64 bytes from 156.236.214.7 (156.236.214.7): icmp_seq=3 ttl=121 time=141 ms

--- setools.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 141.556/142.220/143.423/0.905 ms