PING www.qingjiajiao.net (154.80.186.99) 56(84) bytes of data.
64 bytes from 154.80.186.99 (154.80.186.99): icmp_seq=1 ttl=58 time=199 ms
64 bytes from 154.80.186.99 (154.80.186.99): icmp_seq=2 ttl=58 time=197 ms
64 bytes from 154.80.186.99 (154.80.186.99): icmp_seq=3 ttl=58 time=197 ms

--- www.qingjiajiao.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 197.809/198.457/199.712/1.025 ms