Yeah and this distinction explains the fact that because China's Great Firewall blocks Google, this website shows 4.66% adoption as a reflection of that. I think China's IPv6 support rate is actually much higher than that, maybe a little over 50% because of its central initiative to increase IPv6 adoption?
EDIT: Apparently it's 77% https://pulse.internetsociety.org/en/news/2026/01/china-hits...