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by tushar-r 1357 days ago
>It would be interesting to observe trends (such as log4j) and we could see first hand how Tor exit nodes are used for abuse and maybe collect a large list of 'known bad' IPs.

> Also, when we say an IP is bad (because it was observed doing a bad thing), how long do we keep it on the naughty list? 24 hours? More? Less?

Look at GreyNoise's public feed - they provide historical data about IP's including the attacks they send. Most of the IP's end up being some kind of DC IP, not residential. Eg - https://viz.greynoise.io/ip/45.148.10.193

I agree with the questions you've raised, and think that vendors like Greynoise are helping sort out those issues.