15.197.40.0-15.197.47.255 15.197.40.0/21
15.197.48.0-15.197.63.255 15.197.48.0/20
15.197.64.0-15.197.127.255 15.197.64.0/18
15.197.128.0-15.197.255.255 15.197.128.0/17
15.198.0.0-15.199.255.255 15.198.0.0/15