Quick followup:
It probably happens with IPs / inet{6,}num objects too.
> On 28 Jan 2026, at 21:26, Antonis Chariton via db-wg <[email protected]> wrote:
>
> Hello DB WG,
>
> As RIPE has been handing out new ASNs from previous allocations that have
> been returned for several months now, I wanted to ask if there’s any plan to
> clean up an entry somehow before reassigning the AS.
>
> With the current system you can request an AS, get it, and then have ROAs
> (ASPAs too?) / route{6,} / as-set objects, etc. from the previous one or more
> owners.
>
> I recently got an AS with valid ROAs and route objects for some IPv4 still
> pointed its way from a couple of operators ago (according to the bgp.tools
> history).
>
> For bonus points, it’s also included in a DE-CIX IXF feed and shows up as
> connected there :)
>
> Does it make sense to clean up objects or notify entities including an AS
> upon its return back to the available pool? Since you can’t really know who
> will get it and when, it’s unlikely you really mean to authorize
> announcements with a ROA, or IRR routes. It also probably doesn’t make any
> logical sense to include it in an as-set.
>
> I stumbled upon this when I tried generating filters with bgpq* and it added
> a few unknown /22s without me recognizing them. Pim here (in Cc) also had the
> same question :)
>
> Thanks,
> Antonis
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