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I wonder if that's not very visible in Cloudflare's data because those mobile devices will likely use IPv6 to connect to Cloudflare-hosted sites.

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That’s what I was thinking. Anyone coming from Cloudflare will end up getting there via IPv6.

I use cloudflare to make my weather station available over T-Mobile. They don’t filter inbound ipv6 on regular phone lines (they do for TMHI) so you can host a simple page on ipv6, only set the AAAA record in cloudflare, and they will proxy it for ipv4 users so I can ignore being CGNAT’d for ipv4. Make sure if you do this setup with a tool like ddclient to keep the record current as T-mobile rotates ipv6 frequently

Well, what I mean to say was “anyone coming from Verizon will get to Cloudflare via IPv6”.

My current endpoint lacks IPv6, so I use Cloudflare so IPv6 clients can get to it. Verizon’s IPv6 is noticeably faster than their IPv4 CG-NAT.

mobile devices dont get ip6 do they? last i looked my cheapo gateway only provided v4 cgnat

Phones have been on IPv6 for years.

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