PING www.zhifan.net (47.97.159.205) 56(84) bytes of data.
64 bytes from 47.97.159.205 (47.97.159.205): icmp_seq=1 ttl=50 time=230 ms
64 bytes from 47.97.159.205 (47.97.159.205): icmp_seq=2 ttl=50 time=229 ms
64 bytes from 47.97.159.205 (47.97.159.205): icmp_seq=3 ttl=50 time=240 ms

--- www.zhifan.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 229.888/233.582/240.510/4.918 ms