PING www.huacailong.com (104.21.38.245) 56(84) bytes of data.
64 bytes from 104.21.38.245 (104.21.38.245): icmp_seq=1 ttl=60 time=6.01 ms
64 bytes from 104.21.38.245 (104.21.38.245): icmp_seq=2 ttl=60 time=4.19 ms
64 bytes from 104.21.38.245 (104.21.38.245): icmp_seq=3 ttl=60 time=4.31 ms

--- www.huacailong.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.193/4.841/6.019/0.836 ms