PING bj.medialand.cn (156.252.148.138) 56(84) bytes of data.
64 bytes from 156.252.148.138 (156.252.148.138): icmp_seq=1 ttl=57 time=157 ms
64 bytes from 156.252.148.138 (156.252.148.138): icmp_seq=2 ttl=57 time=155 ms
64 bytes from 156.252.148.138 (156.252.148.138): icmp_seq=3 ttl=57 time=155 ms

--- bj.medialand.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 155.363/155.978/157.105/0.918 ms