PING www.jinyankeji.com (115.28.185.23) 56(84) bytes of data.
64 bytes from 115.28.185.23 (115.28.185.23): icmp_seq=1 ttl=51 time=323 ms
64 bytes from 115.28.185.23 (115.28.185.23): icmp_seq=2 ttl=51 time=320 ms
64 bytes from 115.28.185.23 (115.28.185.23): icmp_seq=3 ttl=51 time=322 ms

--- www.jinyankeji.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 320.415/322.133/323.128/1.385 ms