Cf-Pseudo-IPv4 implementation needed


I would need the exact implementation of the Cf-Pseudo-IPv4 mapper.

I found this Lua implementation but it gives me different results when I try to map an IPv6 to IPv4 class E namespace. It may be outdated?

Reason: I have an API where I use the Cf-Pseudo-IPv4. Sometimes, clients send the IP of interest via a query param instead. I then need to do the Cf-Pseudo-IPv4 mapping myself and the results need to be exactly the same as if Cloudflare would do it for me.

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