138.68.3.0-138.68.3.255 138.68.3.0/24
138.68.4.0-138.68.7.255 138.68.4.0/22
138.68.8.0-138.68.15.255 138.68.8.0/21
138.68.16.0-138.68.31.255 138.68.16.0/20