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Recently, I saw icanhazip.com pop up in my pFsense firewall logs. It was immediately blocked but the name piqued my interest, so I did a little digging which revealed an interesting backstory.

It's owned by Cloudflare:

spoiler

spoiler

...but it hasn't always been theirs: icanhazip: How a simple IP address tool survived a deluge of users. Pretty interesting, at least to me as I have never encountered it before.

I have it still blocked as nothing I'm doing seems hampered by blocking icanhazip.com's ip range. Anyone else ever encounter icanhazip.com?

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[-] Th4tGuyII@fedia.io 5 points 1 day ago

Wow, today I learned. That's a rather interesting story.

A bit of a sad ending, but a perfect example of why we can't have nice things - someone will always find a way to abuse it.

this post was submitted on 28 Jun 2026
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