PING www.njbaoyu.com (221.231.138.55) 56(84) bytes of data.
64 bytes from 221.231.138.55 (221.231.138.55): icmp_seq=1 ttl=231 time=276 ms
64 bytes from 221.231.138.55 (221.231.138.55): icmp_seq=2 ttl=231 time=276 ms
64 bytes from 221.231.138.55 (221.231.138.55): icmp_seq=3 ttl=231 time=276 ms

--- www.njbaoyu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2121ms
rtt min/avg/max/mdev = 276.062/276.352/276.619/0.227 ms