PING liucaixia.dz.vancelle.net (104.21.67.90) 56(84) bytes of data.
64 bytes from 104.21.67.90 (104.21.67.90): icmp_seq=1 ttl=59 time=5.83 ms
64 bytes from 104.21.67.90 (104.21.67.90): icmp_seq=2 ttl=59 time=5.59 ms
64 bytes from 104.21.67.90 (104.21.67.90): icmp_seq=3 ttl=59 time=5.55 ms

--- liucaixia.dz.vancelle.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2009ms
rtt min/avg/max/mdev = 5.557/5.662/5.838/0.152 ms