Azure Firewall NAT Behaviors

BlainePerry, to associate the non RFC 1918 address space to your VMs, you'll need to make some configuration changes to the Azure Virtual Network. If you go to your virtual network, you'll see 'Address space' on blade menu. Select that and you should be able to see an option to add an additional address range. You can put the public IP network there and then build out your subnets. You may be able to then navigate to the Network Interfaces of the VMs and move them over to the new subnets under the 'IP configurations' section. You can also create a new virtual network and define the public IP space there as the address range and build out the VMs again. I would recommend opening a support ticket if you run into any technical blockers with these moves.