PING hao4488.com (104.21.66.2) 56(84) bytes of data.
64 bytes from 104.21.66.2 (104.21.66.2): icmp_seq=1 ttl=59 time=5.19 ms
64 bytes from 104.21.66.2 (104.21.66.2): icmp_seq=2 ttl=59 time=5.02 ms
64 bytes from 104.21.66.2 (104.21.66.2): icmp_seq=3 ttl=59 time=5.04 ms

--- hao4488.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 5.021/5.086/5.194/0.112 ms