PING www.tian119.cn (155.159.77.231) 56(84) bytes of data.
64 bytes from 155.159.77.231: icmp_seq=1 ttl=121 time=200 ms
64 bytes from 155.159.77.231: icmp_seq=2 ttl=121 time=197 ms
64 bytes from 155.159.77.231: icmp_seq=3 ttl=121 time=197 ms

--- www.tian119.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 197.277/198.320/200.092/1.360 ms