PING checkpointcharly.cn (104.21.96.1) 56(84) bytes of data.
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=1 ttl=60 time=6.64 ms
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=2 ttl=60 time=4.13 ms
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=3 ttl=60 time=4.06 ms

--- checkpointcharly.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.069/4.949/6.648/1.203 ms