54.90.242.0-54.90.243.255 54.90.242.0/23
54.90.244.0-54.90.247.255 54.90.244.0/22
54.90.248.0-54.90.255.255 54.90.248.0/21
54.91.0.0-54.91.0.255 54.91.0.0/24