BGP communities, was: Re: Facebook post-mortems... - Update!

Thu Oct 7 07:17:11 UTC 2021

There are also a bunch at http://bgp.community (linked to the source where
possible instead of keeping a stale copy).

On Tue, Oct 5, 2021, 1:17 PM Jay Hennigan <jay at west.net> wrote:

> On 10/5/21 09:49, Warren Kumari wrote:
>
> > Can someone explain to me, preferably in baby words, why so many
> > providers view information like https://as37100.net/?bgp
> > <https://as37100.net/?bgp> as secret/proprietary?
> > I've interacted with numerous providers who require an NDA or
> > pinky-swear to get a list of their communities -- is this really just 1:
> > security through obscurity, 2: an artifact of the culture of not
> > sharing, 3: an attempt to seem cool by making you jump through hoops to
> > prove your worthiness, 4: some weird 'mah competitors won't be able to
> > figure out my secret sauce without knowing that 17 means Asia, or 5:
> > something else?
>
> Not sure the rationale of leeping them secret, but at least one
> aggregated source of dozens of them exists and has been around for a
> long time. https://onestep.net/communities/
>
> --
> Jay Hennigan - jay at west.net
> Network Engineering - CCIE #7880
> 503 897-8550 - WB6RDV
>
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