On the 1st of February of 2024, AWS will charge 0.005$ per hour for each IPv4 in use/reserved.
Verifying and optimizing our networking infrastructure is important to avoid useless charges.
To check all the IP Space we have in use within our resources, follow this guide:
Log in your AWS account
Search for Amazon VPC IP Address Manager in the search bar
Click on create IPAM
Select the marked options:
Click on Add all Regions
Create IPAM
After some minutes, you will be able to see all the IPv4s under the Public IP Insights menu: