[172263] in North American Network Operators' Group
Re: question about bogon prefix
daemon@ATHENA.MIT.EDU (Christopher Morrow)
Mon Jun 9 23:14:50 2014
X-Original-To: nanog@nanog.org
In-Reply-To: <539674D9.7070501@gmail.com>
Date: Mon, 9 Jun 2014 23:14:42 -0400
From: Christopher Morrow <morrowc.lists@gmail.com>
To: refresh.lsong@gmail.com
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Mon, Jun 9, 2014 at 11:00 PM, Song Li <refresh.lsong@gmail.com> wrote:
> Hi everyone,
>
> I found many ISP announced bogon prefix, for example:
sad, right?
> OriginAS Announcement Description
> AS7018 172.116.0.0/24 unallocated
> AS209 209.193.112.0/20 unallocated
>
> my question is why the tier1 and other ISP announce these unallocated bogon
OSS is hard.
> prefixes, and another interesting question is:
>
> If I am ISP, can I announce the same bogon prefix(172.116.0.0/24) with
> AS7018 announced? Will this result in prefix hijacking?
>
technically you are probably hijacking a hijack :( or something like that.
> Thanks!
>
> --
> Song Li
> Room 4-204, FIT Building,
> Network Security,
> Department of Electronic Engineering,
> Tsinghua University, Beijing 100084, China
> Tel:( +86) 010-62446440
> E-mail: refresh.lsong@gmail.com
