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> Another major source of IPv6 traffic that most people are unaware of it the cell networks. Most cellphone providers use IPv6.

Yes. I have T-Mobile in SF, and going to test-ipv6.com shows "10/10 readiness score".



0/10 here, on Cellcard in Cambodia. No IPv6 address detected, but the DNS server appears to have IPv6 internet access.


Idem here 10/10 (Brazil/Vivo-Telefónica). My cable ISP has had IPv6/ CGNAT but they backed away for now, perhaps due to problems in some users


Same 10/10 score with Google's Project Fi which just resells T-Mobile, Sprint and US Cellular service.


I get 0/10 on mobile in Taiwan.


Idem here 10/10 (Brazil/Vivo-Telefónica). My cable ISP has had IPv6/ CGNAT but they backed away for now, perhaps due to problems in some users




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