PING www.weiyan120.com (104.21.66.189) 56(84) bytes of data.
64 bytes from 104.21.66.189 (104.21.66.189): icmp_seq=1 ttl=60 time=7.21 ms
64 bytes from 104.21.66.189 (104.21.66.189): icmp_seq=2 ttl=60 time=4.20 ms
64 bytes from 104.21.66.189 (104.21.66.189): icmp_seq=3 ttl=60 time=4.27 ms

--- www.weiyan120.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.207/5.233/7.218/1.403 ms