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
47.52.64.0-47.52.127.255 47.52.64.0/18
47.52.128.0-47.52.255.255 47.52.128.0/17