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by matheusmoreira 772 days ago
> I suspect governments and ISPs all keep historical logs of who was assigned what address.

They do. It's often required by law.

1 comments

1 maybe 2KB of storage for the IP addresses of an individual for a year. Of course they are doing it even if accidentally.
You may need a bit more than that. Especially for shared IPs or when using CGNAT as you need which IP and Port-range was used and during what time-range.