I remember reading a few articles about a US mobile carrier successfully going IPv6 only with 464XLAT. Turns out my memory was correct and it was T-Mobile [0].

I remember reading a few articles about a US mobile carrier successfully going IPv6 only with 464XLAT. Turns out my memory was correct and it was T-Mobile [0]. [0] https://www.internetsociety.org/resources/deploy360/2014/case-study-t-mobile-us-goes-ipv6-only-using-464xlat/ https://www.internetsociety.org/resources/deploy360/2014/cas...