Re: ARIN Waiting List Recipients Begin Receiving Allocated IPs from 131.143.0.0/16

[Zhang Gaoxing via NANOG <nanog () lists nanog org>]

https://stat.ripe.net/resource/131.143.126.1#tab=overview < from here only
AS13509 announces it before, but it is an APNIC ASN? It was announced by
mistake or it belonged to APNIC and was transferred to ARIN for some reason?

Trey Scarborough via NANOG <nanog () lists nanog org>于2025年10月8日 周三下午11:19写道：

> most recent ARIN issued report
>
> [arin-issued] Daily Report for 2025-10-07
>
> Add 131.143.16.0-131.143.19.255
> through
> Add 131.143.235.0-131.143.235.255
>
> 131.143.0.0/16 was issued to Rockwell so its easy to see that there
> could be blocks that existed globally.
>
> Trey
>
> On 10/8/25 1:04 PM, Ezri Zhu via NANOG wrote:
> > zgx,
> >
> > On Wed Oct 8, 2025 at 9:39 AM EDT, Zhang Gaoxing via NANOG wrote:
> > > I have noticed that the number of people on the ARIN Waiting List has
> been
> > > decreasing significantly recently, and some have started receiving IP
> > > allocations from the 131.143.0.0/16 range. I also found that these IPs
> were
> > > previously geolocated in Switzerland. Were these addresses reclaimed
> from
> > > an organisation? I’m curious about the origin of these IPs.
> > Have you checked out
> > https://stat.ripe.net/resource/131.143.0.0-131.143.207.255#tab=database
> > yet? it has some nice graphs showing all the historical
> > announcements from that range. Sadly the page takes forever to
> > load due to the size.
> >
> > However, I failed to find the 131.143.0.0/16 range from the ARIN
> > "Cleared for Waiting List" CSV, may I ask how you found that
> > range?
> >
> > btw, i'd recommend signing up for
> > https://www.arin.net/reference/research/whowas/ as that's
> > probably your best bet.
> >
> > let us know how it goes!
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