PING www.jinfangyanhu.com (104.21.17.168) 56(84) bytes of data.
64 bytes from 104.21.17.168 (104.21.17.168): icmp_seq=1 ttl=60 time=6.15 ms
64 bytes from 104.21.17.168 (104.21.17.168): icmp_seq=2 ttl=60 time=4.05 ms
64 bytes from 104.21.17.168 (104.21.17.168): icmp_seq=3 ttl=60 time=4.13 ms

--- www.jinfangyanhu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.059/4.783/6.159/0.976 ms