PING www.tangfoundation.org.cn (47.97.176.198) 56(84) bytes of data.
64 bytes from 47.97.176.198 (47.97.176.198): icmp_seq=1 ttl=50 time=215 ms
64 bytes from 47.97.176.198 (47.97.176.198): icmp_seq=2 ttl=50 time=214 ms
64 bytes from 47.97.176.198 (47.97.176.198): icmp_seq=3 ttl=50 time=214 ms

--- www.tangfoundation.org.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 214.406/214.896/215.853/0.676 ms