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spxneo | 1 year ago

how are platforms like reddit able to get complete list of mullvad IPs and other vpns but not residential proxies?

discuss

order

jorams|1 year ago

Well I don't know how many IP addresses each of Mullvad's servers have, but they list a domain name, IPv4 and IPv6 address for all of them publicly[1].

[1]: https://mullvad.net/en/servers

adamomada|1 year ago

It’s an industry now e.g. https://ipinfo.io

spxneo|1 year ago

damn this is crazy, how did they even compile all the residential proxies

im seeing it detect!!

lbhdc|1 year ago

I am not sure how they do it, but one option is setting some arbitrary threshold for number of devices fingerprinted on a single ip in a given period of time. Something like taking the average number of devices and denying access to ips that they detect ~3 sigma different devices from.

stoniejohnson|1 year ago

people use mullvad IPs maliciously -> those IPs end up on blocklists