47.52.57.0-47.52.57.255 47.52.57.0/24
47.52.58.0-47.52.59.255 47.52.58.0/23
47.52.60.0-47.52.63.255 47.52.60.0/22
47.52.64.0-47.52.79.255 47.52.64.0/20