PING liyulong.net (39.107.112.189) 56(84) bytes of data.
64 bytes from 39.107.112.189 (39.107.112.189): icmp_seq=1 ttl=52 time=304 ms
64 bytes from 39.107.112.189 (39.107.112.189): icmp_seq=2 ttl=52 time=303 ms
64 bytes from 39.107.112.189 (39.107.112.189): icmp_seq=3 ttl=52 time=301 ms

--- liyulong.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 301.444/303.211/304.726/1.493 ms