138.32.28.0-138.32.31.255 138.32.28.0/22
138.32.32.0-138.32.63.255 138.32.32.0/19
138.32.64.0-138.32.95.255 138.32.64.0/19
138.32.96.0-138.32.103.255 138.32.96.0/21