AT&T also supports IPv6 although with comical prefix lengths. https://ssg.dev/ipv6-for-the-remotely-interested-af214dd06aa...

Huh? I have ATT fiber and have a /56.

Edit: n/m I guess I confused PD with having a larger subnet. :(

I have AT&T Fiber and it's been /64 since forever. I even called tech support who confirmed that they only provide /64 prefix length to home customers. How come did you manage to get a /56?