PING www.6668000.com (104.21.52.130) 56(84) bytes of data.
64 bytes from 104.21.52.130 (104.21.52.130): icmp_seq=1 ttl=60 time=4.17 ms
64 bytes from 104.21.52.130 (104.21.52.130): icmp_seq=2 ttl=60 time=4.12 ms
64 bytes from 104.21.52.130 (104.21.52.130): icmp_seq=3 ttl=60 time=4.08 ms

--- www.6668000.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.082/4.127/4.177/0.083 ms