54.198.237.0-54.198.237.255 54.198.237.0/24
54.198.238.0-54.198.239.255 54.198.238.0/23
54.198.240.0-54.198.247.255 54.198.240.0/21
54.198.248.0-54.198.248.255 54.198.248.0/24