51.89.12.0-51.89.15.255 51.89.12.0/22
51.89.16.0-51.89.23.255 51.89.16.0/21
51.89.24.0-51.89.27.255 51.89.24.0/22
51.89.28.0-51.89.29.255 51.89.28.0/23
51.89.30.0-51.89.30.255 51.89.30.0/24