PING bbs.photoedu.com.cn (172.80.51.99) 56(84) bytes of data.
64 bytes from 172.80.51.99 (172.80.51.99): icmp_seq=1 ttl=116 time=145 ms
64 bytes from 172.80.51.99 (172.80.51.99): icmp_seq=2 ttl=116 time=145 ms
64 bytes from 172.80.51.99 (172.80.51.99): icmp_seq=3 ttl=116 time=145 ms

--- bbs.photoedu.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2600ms
rtt min/avg/max/mdev = 145.678/145.739/145.847/0.076 ms