if one would like to re-route all facebook-network related traffic throu your vpn tunnel you have established via your beloved routerboard … here are the current (03.02.2016) ip subnets for the facebook network
just replace the gateway placeholder “[OpenVPN Gateway]” with your VPN Gateway IP (e.g. 10.0.100.1; or whatever your VPN NAT-Server is)
just add this to your OpenVPN CLIENT-Config
route 204.15.20.0 255.255.252.0 [OpenVPN Gateway]
route 69.63.176.0 255.255.240.0 [OpenVPN Gateway]
route 66.220.144.0 255.255.240.0 [OpenVPN Gateway]
route 66.220.144.0 255.255.248.0 [OpenVPN Gateway]
route 69.63.184.0 255.255.248.0 [OpenVPN Gateway]
route 69.63.176.0 255.255.248.0 [OpenVPN Gateway]
route 74.119.76.0 255.255.252.0 [OpenVPN Gateway]
route 69.171.255.0 255.255.255.0 [OpenVPN Gateway]
route 173.252.64.0 255.255.192.0 [OpenVPN Gateway]
route 69.171.224.0 255.255.224.0 [OpenVPN Gateway]
route 69.171.224.0 255.255.240.0 [OpenVPN Gateway]
route 103.4.96.0 255.255.252.0 [OpenVPN Gateway]
route 69.63.176.0 255.255.255.0 [OpenVPN Gateway]
route 173.252.64.0 255.255.224.0 [OpenVPN Gateway]
route 173.252.70.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.64.0 255.255.192.0 [OpenVPN Gateway]
route 31.13.24.0 255.255.248.0 [OpenVPN Gateway]
route 66.220.152.0 255.255.248.0 [OpenVPN Gateway]
route 66.220.159.0 255.255.255.0 [OpenVPN Gateway]
route 69.171.239.0 255.255.255.0 [OpenVPN Gateway]
route 69.171.240.0 255.255.240.0 [OpenVPN Gateway]
route 31.13.64.0 255.255.224.0 [OpenVPN Gateway]
route 31.13.64.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.65.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.67.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.68.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.69.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.70.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.71.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.72.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.73.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.74.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.75.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.76.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.77.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.96.0 255.255.224.0 [OpenVPN Gateway]
route 31.13.66.0 255.255.255.0 [OpenVPN Gateway]
route 173.252.96.0 255.255.224.0 [OpenVPN Gateway]
route 69.63.178.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.78.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.79.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.80.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.82.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.83.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.84.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.85.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.86.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.87.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.88.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.89.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.90.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.91.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.92.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.93.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.94.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.95.0 255.255.255.0 [OpenVPN Gateway]
route 69.171.253.0 255.255.255.0 [OpenVPN Gateway]
route 69.63.186.0 255.255.255.0 [OpenVPN Gateway]
route 31.13.81.0 255.255.255.0 [OpenVPN Gateway]
route 179.60.192.0 255.255.252.0 [OpenVPN Gateway]
route 179.60.192.0 255.255.255.0 [OpenVPN Gateway]
route 179.60.193.0 255.255.255.0 [OpenVPN Gateway]
route 179.60.194.0 255.255.255.0 [OpenVPN Gateway]
route 179.60.195.0 255.255.255.0 [OpenVPN Gateway]
route 185.60.216.0 255.255.252.0 [OpenVPN Gateway]
route 45.64.40.0 255.255.252.0 [OpenVPN Gateway]
route 185.60.216.0 255.255.255.0 [OpenVPN Gateway]
route 185.60.217.0 255.255.255.0 [OpenVPN Gateway]
route 185.60.218.0 255.255.255.0 [OpenVPN Gateway]
route 185.60.219.0 255.255.255.0 [OpenVPN Gateway]
route 129.134.0.0 255.255.0.0 [OpenVPN Gateway]
route 157.240.0.0 255.255.0.0 [OpenVPN Gateway]
route 204.15.20.0 255.255.252.0 [OpenVPN Gateway]
route 69.63.176.0 255.255.240.0 [OpenVPN Gateway]
route 69.63.176.0 255.255.248.0 [OpenVPN Gateway]
route 69.63.184.0 255.255.248.0 [OpenVPN Gateway]
route 66.220.144.0 255.255.240.0 [OpenVPN Gateway]
route 69.63.176.0 255.255.240.0 [OpenVPN Gateway]