PING www.bdky.net.cn (156.251.56.95) 56(84) bytes of data.
64 bytes from 156.251.56.95 (156.251.56.95): icmp_seq=1 ttl=57 time=244 ms
64 bytes from 156.251.56.95 (156.251.56.95): icmp_seq=2 ttl=57 time=243 ms
64 bytes from 156.251.56.95 (156.251.56.95): icmp_seq=3 ttl=57 time=243 ms

--- www.bdky.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 243.589/244.020/244.828/0.807 ms