52.21.9.0-52.21.9.255 52.21.9.0/24
52.21.10.0-52.21.11.255 52.21.10.0/23
52.21.12.0-52.21.15.255 52.21.12.0/22
52.21.16.0-52.21.31.255 52.21.16.0/20
52.21.32.0-52.21.39.255 52.21.32.0/21
52.21.40.0-52.21.43.255 52.21.40.0/22
52.21.44.0-52.21.45.255 52.21.44.0/23