207.97.227.239 github.com 
65.74.177.129 www.github.com 
207.97.227.252 nodeload.github.com 
207.97.227.243 raw.github.com
204.232.175.78 documentcloud.github.com
204.232.175.78 pages.github.com

via http://justjavac.iteye.com/blog/1773674