RFC: BOGONs over BGP, adding some ranges

Tue Sep 6 18:15:58 UTC 2022

>
> I would like to make an effort to debogon 240/4 at least, or have an
> authorized experiment to at least determine how fully bogon'd it is.
>

It would not be appropriate to 'debogon' 240/4 based on the currently
accepted definition, because it is space not allocated to an RIR. I know
that you are part of the groups who wish to have the status of 240/4
changed, but until that happens, the reference to it in bogon tools should
not change.

On Tue, Aug 30, 2022 at 10:57 PM Dave Taht <dave.taht at gmail.com> wrote:

> On Tue, Aug 30, 2022 at 10:17 AM James Shank <jshank at cymru.com> wrote:
> >
> > Dear NANOG!
> >
> > As many of you know, Team Cymru runs a free service delivering updated
> > BOGONS to networks around the world. We've been doing this for decades
> > at this point. For more information about this service, please see
> > https://www.team-cymru.com/bogon.
> >
> > Recently, we've discussed internally a discrepancy between our BGP based
> > feed and the other formats we deliver for our Traditional BOGONS feed.
> > For historic reasons, we previously omitted delivery of some ranges that
> > are BOGONS from our BGP advertisements. We are considering adding the
> > below ranges back in, but want to hear feedback from the community on
> > these ranges prior to advertising them, out of an abundance of caution.
> >
> > The below ranges are what we are currently considering advertising:
> > 0/8 (this one we already have concluded is safe as it is already
> > advertised in our "FULL BOGONS" set.)
> > 127/8
> > 224/4
> > 240/4
> >
> > Note that 224/4 and 240/4 may be aggregated differently in our
> > advertisement, but are broken out here to facilitate discussion.
>
> I would like to make an effort to debogon 240/4 at least, or have an
> authorized experiment to at least determine how fully bogon'd it is.
>
> Some recent data about amazon and verizon:
>
> https://labs.ripe.net/author/qasim-lone/2404-as-seen-by-ripe-atlas/
>
> One question for me is how many folks rely on regular bogon updates
> such as yours. There are others.
>
> > So, fellow NANOGers, what say ye? I would love to hear your feedback,
> > pro or con, well-reasoned with data points or general "argh! there be
> > dragons!" sentiments.
> >
> > Looking forward to seeing folks in Hollywood for N86!
> >
> > Cheers!
> >
> > James
> >
> > --
> > *James Shank*
> > Chief Architect of Community Services and Sr. Security Evangelist
> > e: jshank at cymru.com
> > o: +1 847 378-3365
> >
>
>
> --
> FQ World Domination pending:
> https://blog.cerowrt.org/post/state_of_fq_codel/
> Dave Täht CEO, TekLibre, LLC
>
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