PING www.yishujiashijie.lingdi.net (103.24.251.75) 56(84) bytes of data.
64 bytes from 103.24.251.75 (103.24.251.75): icmp_seq=1 ttl=56 time=200 ms
64 bytes from 103.24.251.75 (103.24.251.75): icmp_seq=2 ttl=56 time=200 ms
64 bytes from 103.24.251.75 (103.24.251.75): icmp_seq=3 ttl=56 time=200 ms

--- www.yishujiashijie.lingdi.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 200.070/200.258/200.546/0.556 ms