Connect a Public-Facing Load Balancer to EC2 Instances Feb 02, 2017 Networking Concepts — Understanding Public and Private IP Aug 02, 2019

Does subnet without internet gateway is called private

Aug 02, 2019

Assign one of the subnets for public access and one for private - job done. Really the hard part is setting up the VLANs and ACLs. Personally I prefer using the 10.x.x.x range as I can type it quicker than the other two, but really it makes no difference unless you need the larger size (192.168.x.x gives you 256 subnets of 254 IP addresses

8 Steps to Understanding IP Subnetting - A network could have one public IP address that all traffic on the Internet sees, and hundreds - or even thousands - of hosts with private IP addresses on the company subnet. Anyone can use a private IP address on the understanding that all traffic using these addresses must remain local.