52.204.137.0-52.204.137.255 52.204.137.0/24
52.204.138.0-52.204.139.255 52.204.138.0/23
52.204.140.0-52.204.141.255 52.204.140.0/23
52.204.142.0-52.204.142.255 52.204.142.0/24