54.221.71.0-54.221.71.255 54.221.71.0/24
54.221.72.0-54.221.79.255 54.221.72.0/21
54.221.80.0-54.221.83.255 54.221.80.0/22
54.221.84.0-54.221.85.255 54.221.84.0/23