-A input -s 41.78.120.0/22 -j ACCEPT
-A input -s 41.223.184.0/22 -j ACCEPT
-A input -s 169.239.96.0/22 -j ACCEPT
-A input -s 196.216.160.0/24 -j ACCEPT
-A input -s 197.242.176.0/21 -j ACCEPT