[106650] in North American Network Operators' Group
Re: Is it time to abandon bogon prefix filters?
daemon@ATHENA.MIT.EDU (Randy Bush)
Thu Aug 7 18:59:29 2008
Date: Fri, 08 Aug 2008 07:59:20 +0900
From: Randy Bush <randy@psg.com>
To: Rob Thomas <robt@cymru.com>
In-Reply-To: <489B6B67.9010202@cymru.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
rob,
> If the source of a scan or probe is a bogon, we tag it that way in our
> data store. I went back to 2008-01 and found the following percentages
> of bogons in our data:
>
> 2008-01: 0.001095262%
> 2008-02: 0.001759343%
> 2008-03: 0.001619555%
> 2008-04: 0.001433908%
> 2008-05: 0.001182351%
> 2008-06: 0.130534559%
> 2008-07: 0.002327683%
> 2008-08: 0.001258054% (thus far)
this is an extremely far cry from 60%. what am i not understanding?
and can you separate reserved (127, ...) and unallocated?
randy
