[address-policy-wg] Cleaning up Unused AS Numbers

On 24 March 2017 at 10:43, Jim Reid <jim at rfc1035.com> wrote:

>
> > On 24 Mar 2017, at 10:29, Dickinson, Ian <Ian.Dickinson at sky.uk> wrote:
> >
> > Requiring an ASN to be visible on the public Internet is a non-starter
> IMHO.
>
> +1.
>
> There is no comparable requirement in any of the RIRs which demand LIRs
> make their IP address allocations visible on the Internet. I fail to
> understand why this obligation should apply to ASNs.
>
> It’s not as if we’ll be running out of AS numbers any time soon. What are
> the actual (or perceived?) problems that would be solved by reclaiming the
> ASNs that are not seen in the Internet’s routing tables?
>


+1 from me too.  I've worked in many companies where mergers and
acquisitions resulted in conflicting "private" addressing schemes.

If ASN scarcity was a real problem, it wouldn't be too hard to write an RFC
for 128-bit ASNs.

Aled
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