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Welcome to the IPv4 Games

22 chillax 6 8/5/2025, 5:31:47 AM ipv4.games ↗

Comments (6)

nicman23 · 1h ago

femboy.cat with a casual 0.2% of the internet

vaylian · 1h ago

But how do they achieve that? Do you use a lot of VPNs?

maldonad0 · 4m ago

Maybe spoofing source IPs.

maverwa · 1h ago

my first guess would be: server honors X-Forwarded-For where it should not?

Edit: looks like thats it: https://github.com/jart/cosmopolitan/blob/master/net/turfwar...

So basically someone is running a script iterates over the whole ipv4 range and calls the claim endpoint with each single adress in the X-Forwared-For http header once.

3r7j6qzi9jvnve · 1h ago

That only works if the proxy is sitting on localhost or a local network, just setting the header shouldn't work.

(I came here because I was curious how jart got 127 and 10, but after seeing the source is their's that's less of wonder..)

elitepleb · 57m ago

a simple proof of the opposite is that no one's yet to exploit any of the untaken ranges that way