[throwawa14223]

So is there a residential proxy blacklist I can run on my firewall? Any action I can take as an admin to put a stop to this?

[topranks]

It’s very tricky because the IPs are all on normal user ranges you can’t block without blocking those users.

The company behind this blog - spur.us - offer some paid services I think. There is also this project from Wikimedia which uses that data to produce more manageable lists:

https://gitlab.wikimedia.org/repos/sre/CIDERGRINDER