AWS will begin charging for IPv4 addresses associated with AWS resources such as EC2/RDS instances, NAT gateways, and load balancers on February 1st, 2024. Each of your servers/instances may have multiple IP addresses attached to them; one private IP address and one or more public IP addresses.
The internet gateway converts an IPv4 private address (the one known by the instance) to an IPv4 public address (the one known by the internet).
It converts the private IP address of instances attempting to connect to the internet to a public IP address..
Once the changes are saved, you'll instance will have an IPv6 address along with any public IPv4 and private IPv4 addresses it used to have.
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