PING lihongxia.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=4.87 ms
64 bytes from 104.21.67.90 (104.21.67.90): icmp_seq=2 ttl=59 time=4.74 ms
64 bytes from 104.21.67.90 (104.21.67.90): icmp_seq=3 ttl=59 time=4.73 ms

--- lihongxia.dz.vancelle.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.736/4.784/4.871/0.061 ms