Also VLANs can create a “multiverse” of IPv4 addresses behind a single NAT. But since VLANs are a layer 2 concept it means you can in theory use them with IPv6

Also VLANs can create a “multiverse” of IPv4 addresses behind a single NAT. But since VLANs are a layer 2 concept it means you can in theory use them with IPv6 as well (albeit I’ve never personally tested that theory)