Amazon AWS will charge ~$3.6 for every IPv4 address, attached or unattached, starting Feb 1st, 2024.
https://aws.amazon.com/de/blogs/aws/new-aws-public-ipv4-address-charge-public-ip-insights/
Many PaaS companies based on AWS (which are most of them) will have to increase their prices big time.
I'm so glad I migrated all AWS projects to a sane IaaS years ago. Hopefully that will teach the industry a lesson or maybe just think the unthinkable: is there an Internet outside AWS?