PING cnnb.com.cn (220.189.220.80) 56(84) bytes of data.
64 bytes from 220.189.220.80 (220.189.220.80): icmp_seq=1 ttl=246 time=269 ms
64 bytes from 220.189.220.80 (220.189.220.80): icmp_seq=2 ttl=246 time=269 ms
64 bytes from 220.189.220.80 (220.189.220.80): icmp_seq=3 ttl=246 time=269 ms

--- cnnb.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 269.181/269.450/269.849/0.512 ms