PING www.panelwell.com.cn (104.21.32.1) 56(84) bytes of data.
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=1 ttl=60 time=4.18 ms
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=2 ttl=60 time=4.22 ms
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=3 ttl=60 time=4.17 ms

--- www.panelwell.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.171/4.192/4.223/0.057 ms