PING macular-www.shelcon.com.cn (104.21.89.106) 56(84) bytes of data.
64 bytes from 104.21.89.106 (104.21.89.106): icmp_seq=1 ttl=59 time=5.11 ms
64 bytes from 104.21.89.106 (104.21.89.106): icmp_seq=2 ttl=59 time=4.88 ms
64 bytes from 104.21.89.106 (104.21.89.106): icmp_seq=3 ttl=59 time=4.92 ms

--- macular-www.shelcon.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.884/4.972/5.114/0.129 ms