Re: Announcing Peering-LAN prefixes to customers

[Job Snijders <job () instituut net>]

On Wed, Jan 16, 2019 at 19:40 Christoffer Hansen <christoffer () netravnen de>
wrote:

> On 16/01/2019 15:55, John Kristoff wrote:
> > In Randy's presentation there is the suggestion to develop an IX filter
> > list.  Nearly 20 years later that actually happened.
> >
> >   <https://www.team-cymru.com/ixp.html>
> >
> > This wasn't a popular service when I left Team Cymru, but it seems to
> > still be available if anyone wants to consider using that.
>
> You could do the same trick. But with data fetched from PeeringDB via
> the public API. Works well.



Small note:

I strongly recommend to *only* block IXP peering lan prefixes for IXPs you
are actually connected to yourself.

This way the communication lines are short in case there should be an
exception. Don’t block prefixes unrelated to your operation.

Kind regards,

Job