[address-policy-wg] 2023-01 Review Phase (Reducing IXP IPv4 assignment default size to a /26)

On Thu, 6 Jul 2023 at 04:05, Tore Anderson <tore at fud.no> wrote:

[...]

> The old pre-2013-03 policy (which covered both IXP and non-IXP
> assignments) read as as follows:
>
> «6.3 Utilisation Rates
>
> Assignments' immediate utilisation should be at least 25% of the
> assigned space. After one year, this should be at least 50% of the
> space unless special circumstances are defined.»
>
> See https://www.ripe.net/publications/docs/ripe-599
>
> I have not attempted to figure out exactly when this language was
> introduced, but I suspect it has been around for a long time.

It goes back to at least RFC 2050, published in November 1996.

Kind regards,

Leo