[85974] in North American Network Operators' Group

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Re: /24 multihoming issue

daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Thu Oct 20 00:47:59 2005

Date: Thu, 20 Oct 2005 04:46:29 +0000 (GMT)
From: "Christopher L. Morrow" <christopher.morrow@mci.com>
In-reply-to: <20051020043831.8573.qmail@web35114.mail.mud.yahoo.com>
To: Kyaw Khine <joekhine@yahoo.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog@merit.edu


On Wed, 19 Oct 2005, Kyaw Khine wrote:


> I've contacted both ISPs and they both claimed they
> are announcing our /24 to the rest of the world,
> without manipulation.
>
> What am I missing here?

some providers (for whatever reason, not really relevant to this
conversation) do filter at boundaries NOT /24 :( Some filter /20 or /22 or
other odd-ball boundaries.

-Chris

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