Internet Exchange Point(IXP) questions

Martin Pels martin.pels at ams-ix.net
Sat Feb 19 12:26:15 CST 2011


Hi,

On Fri, 18 Feb 2011 13:44:56 -0800
Leo Bicknell <bicknell at ufp.org> wrote:

> In a message written on Fri, Feb 18, 2011 at 04:36:28PM -0500,
> Christopher Morrow wrote:
> > leaking the IX prefix to customers, to me, seems like a recipe for
> > much wider/unintended leakage :(
> 
> Oh, it is.  I remember when MAE-EAST was injected by at least 50
> people into the DFZ because back then people weren't careful enough
> to just send such things to customers.
> 
> AMS-IX (and others) have the better solution.  They have AS1200,
> announce the exchange LAN from AS1200 (195.69.144.0/22).  They will
> peer with you if you are at the exchange, see
> http://www.ams-ix.net/as1200-peering/.  I believe, but can't find
> a reference really quick that they get transit for it from a couple
> of providers so those that don't peer still have the route.

We advertise 195.69.144.0/22 with no-export.

Kind regards,
Martin




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