手头上公司的五个机房加上个人的日本东京linode机房测试结果：
https://gist.github.com/unkstar/3bb1f3203f3725529ab4

吃完饭重新测了一次北京亦庄电信，github和sourceforge都不丢包了：
--- github.com ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 99063ms
rtt min/avg/max/mdev = 244.597/277.262/349.799/25.215 ms

--- sourceforge.net ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 99085ms
rtt min/avg/max/mdev = 231.281/233.027/236.094/1.375 ms

但是无锡移动还是餐具：
--- github.com ping statistics ---
100 packets transmitted, 79 received, 21% packet loss, time 100837ms
rtt min/avg/max/mdev = 266.980/268.159/284.959/2.314 ms

--- sourceforge.net ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 99047ms
rtt min/avg/max/mdev = 257.110/257.919/271.878/1.720 ms