There are IPv4aaS methods that use IPv6 to deliver IPv4 connectivity along with IPv4 address sharing. MAP-T for example, does this statelessly: https://datatracker.ietf.org/doc/html/draft-ietf-v6ops-trans...
There are IPv4aaS methods that use IPv6 to deliver IPv4 connectivity along with IPv4 address sharing. MAP-T for example, does this statelessly: https://datatracker.ietf.org/doc/html/draft-ietf-v6ops-trans...