[189899] in North American Network Operators' Group
Re: Bogon ASN Filter Policy
daemon@ATHENA.MIT.EDU (Thomas King)
Thu Jun 9 09:58:19 2016
X-Original-To: nanog@nanog.org
From: Thomas King <thomas.king@de-cix.net>
To: Michael Hare <michael.hare@wisc.edu>
Date: Wed, 8 Jun 2016 19:27:32 +0000
In-Reply-To: <DM3PR0601MB20111B3B34E60E719053AC1CF95E0@DM3PR0601MB2011.namprd06.prod.outlook.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
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Hi all,
a quick update from the DE-CIX side: we see in total 25 routes =
containing bogon ASNs at all the route servers at all DE-CIX IXPs (so =
far we just filtered the private ASN space). We directly contacted the =
customers sending the routes to inform them about the upcoming change in =
filtering.
Best regards,
Thomas
> On 08 Jun 2016, at 15:56, Michael Hare <michael.hare@wisc.edu> wrote:
>=20
> I'm not against the theory of what is being proposed, but I was =
surprised to see little discussion of this announcement on list.
>=20
> Upon examination on my view of the DFZ from AS3128 I see over 400 =
upstream routes falling into this category, mostly in the 64512 - 65534 =
range. Based on our flow bandwidth stats we chose to reach out to =
several origin ASN, two fairly well known, as a courtesy.
>=20
> For the *TT's who are planning on implementing shortly, have you went =
through a similar diagnostic effort and what might you share or report =
on such endeavors?
>=20
> -Michael
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