> "oh look, just straightforward v6 only" An ISP that doesn't provide at least outbound IPv4 connectivity would rapidly lose all of its customers. IPv6-only w

> "oh look, just straightforward v6 only" An ISP that doesn't provide at least outbound IPv4 connectivity would rapidly lose all of its customers. IPv6-only with NAT64 is doable when you control the set of attached devices; see T-Mobile US, with phones that implement 464XLAT.