[37286] in North American Network Operators' Group
Re: ISP Filter Policies--Effect is what?
daemon@ATHENA.MIT.EDU (John Fraizer)
Tue May 8 15:04:55 2001
Date: Tue, 8 May 2001 14:43:33 -0400 (EDT)
From: John Fraizer <nanog@Overkill.EnterZone.Net>
To: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
Cc: "Murphy, Brennan" <Brennan_Murphy@NAI.com>,
"'nanog@merit.edu'" <nanog@merit.edu>
In-Reply-To: <Pine.LNX.4.21.0105081726220.18742-100000@staff.opaltelecom.net>
Message-ID: <Pine.LNX.4.21.0105081441180.1763-100000@Overkill.EnterZone.Net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, 8 May 2001, Stephen J. Wilcox wrote:
>
> if you have a /16 why would it be broken down to /24? i would assume the
> only reason you advertise /24 is because that is the size of your
> assignment from the NIC, in which case you cannot advertise the /16.
>
> if you do own the /16 then yes of course you can advertise it.
Stephen, you neglected to look at the big picture. The "organization" has
the /16 but has sites spread out all over the planet and has assigned
/24's to them. Additionally, they connect into the global net via diverse
providers.
><snip>
>Site BGP Advertisement to ISP
>Amsterdam 169.61.201.0/24 AMSISP
>Austin 169.61.111.0/24 Genuity & Internap
>SanFran 169.61.119.0/24 Genuity & Internap
>Tokyo 169.61.202.0/24 TOKISP
>Sydney 169.61.156.0/24 SYDISP
---
John Fraizer
EnterZone, Inc
