PING cdn-http-ok.ns.keilao.com (45.78.63.131) 56(84) bytes of data.
64 bytes from 45.78.63.131.16clouds.com (45.78.63.131): icmp_seq=1 ttl=60 time=235 ms
64 bytes from 45.78.63.131.16clouds.com (45.78.63.131): icmp_seq=2 ttl=60 time=232 ms
64 bytes from 45.78.63.131.16clouds.com (45.78.63.131): icmp_seq=3 ttl=60 time=232 ms

--- cdn-http-ok.ns.keilao.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 232.806/233.796/235.673/1.327 ms