edit: yes this is a gateway or "translator" (NAT), you can find a list of other public ones at https://go6lab.si/current-ipv6-tests/nat64dns64-public-test/
edit: yes this is a gateway or "translator" (NAT), you can find a list of other public ones at https://go6lab.si/current-ipv6-tests/nat64dns64-public-test/