156.254.146.0-156.254.146.127 156.254.146.0/25
156.254.146.128-156.254.146.191 156.254.146.128/26
156.254.146.192-156.254.146.223 156.254.146.192/27
156.254.146.224-156.254.146.239 156.254.146.224/28
156.254.146.240-156.254.146.243 156.254.146.240/30