54.166.66.0-54.166.67.255 54.166.66.0/23
54.166.68.0-54.166.71.255 54.166.68.0/22
54.166.72.0-54.166.79.255 54.166.72.0/21
54.166.80.0-54.166.87.255 54.166.80.0/21
54.166.88.0-54.166.91.255 54.166.88.0/22