PING www.mac.net.cn--www.mac.net.cn--www.mac.net.cn (219.159.84.43) 56(84) bytes of data.
64 bytes from 219.159.84.43 (219.159.84.43): icmp_seq=1 ttl=39 time=392 ms
64 bytes from 219.159.84.43 (219.159.84.43): icmp_seq=2 ttl=39 time=392 ms
64 bytes from 219.159.84.43 (219.159.84.43): icmp_seq=3 ttl=39 time=393 ms

--- www.mac.net.cn--www.mac.net.cn--www.mac.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 392.816/392.991/393.323/0.234 ms