PING www.tfftu.cn--www.tfftu.cn--www.tfftu.cn (140.188.167.75) 56(84) bytes of data.
64 bytes from 140.188.167.75 (140.188.167.75): icmp_seq=1 ttl=121 time=157 ms
64 bytes from 140.188.167.75 (140.188.167.75): icmp_seq=2 ttl=121 time=156 ms
64 bytes from 140.188.167.75 (140.188.167.75): icmp_seq=3 ttl=121 time=156 ms

--- www.tfftu.cn--www.tfftu.cn--www.tfftu.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 156.951/157.185/157.630/0.555 ms