PING www.dotup.up_www.mac.net.cn (123.56.134.134) 56(84) bytes of data.
64 bytes from 123.56.134.134 (123.56.134.134): icmp_seq=1 ttl=51 time=248 ms

--- www.dotup.up_www.mac.net.cn ping statistics ---
3 packets transmitted, 1 received, 66% packet loss, time 2013ms
rtt min/avg/max/mdev = 248.231/248.231/248.231/0.000 ms