PING www.dotup.up_www.mac.net.cn (162.159.211.37) 56(84) bytes of data.
64 bytes from 162.159.211.37 (162.159.211.37): icmp_seq=1 ttl=52 time=4.73 ms
64 bytes from 162.159.211.37 (162.159.211.37): icmp_seq=2 ttl=52 time=4.65 ms
64 bytes from 162.159.211.37 (162.159.211.37): icmp_seq=3 ttl=52 time=4.61 ms

--- www.dotup.up_www.mac.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.619/4.670/4.734/0.047 ms