PING www.dotup.up_m.wr19.cn (146.148.231.230) 56(84) bytes of data.
64 bytes from 146.148.231.230: icmp_seq=1 ttl=122 time=144 ms
64 bytes from 146.148.231.230: icmp_seq=2 ttl=122 time=143 ms
64 bytes from 146.148.231.230: icmp_seq=3 ttl=122 time=143 ms

--- www.dotup.up_m.wr19.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2913ms
rtt min/avg/max/mdev = 143.783/144.004/144.438/0.306 ms