PING www.632zz.cn (104.21.57.188) 56(84) bytes of data.
64 bytes from 104.21.57.188 (104.21.57.188): icmp_seq=1 ttl=59 time=4.90 ms
64 bytes from 104.21.57.188 (104.21.57.188): icmp_seq=2 ttl=59 time=4.72 ms
64 bytes from 104.21.57.188 (104.21.57.188): icmp_seq=3 ttl=59 time=4.76 ms

--- www.632zz.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 4.722/4.797/4.907/0.097 ms