On Mon, Jul 22, 2019 at 11:56 AM andrew.brant via NANOG <nanog@nanog.org> wrote:
Whatever happened to the entire class E block? I know it's reserved for future use, but sounds like that future is now given that we've exhausted all existing allocations.
The IPv6 loonies killed all IETF proposals to convert it to unicast space. It remains reserved/unusable.