52.205.66.0-52.205.67.255 52.205.66.0/23
52.205.68.0-52.205.71.255 52.205.68.0/22
52.205.72.0-52.205.79.255 52.205.72.0/21
52.205.80.0-52.205.87.255 52.205.80.0/21