PING www.zt2cn.com (104.21.96.151) 56(84) bytes of data.
64 bytes from 104.21.96.151 (104.21.96.151): icmp_seq=1 ttl=59 time=4.64 ms
64 bytes from 104.21.96.151 (104.21.96.151): icmp_seq=2 ttl=59 time=4.62 ms
64 bytes from 104.21.96.151 (104.21.96.151): icmp_seq=3 ttl=59 time=4.77 ms

--- www.zt2cn.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.620/4.678/4.775/0.104 ms