52.223.20.0-52.223.23.255 52.223.20.0/22
52.223.24.0-52.223.31.255 52.223.24.0/21
52.223.32.0-52.223.47.255 52.223.32.0/20
52.223.48.0-52.223.55.255 52.223.48.0/21
52.223.56.0-52.223.57.255 52.223.56.0/23