Re: IP renumbering timeframe

["Marshall Eubanks" <tme () multicasttech com>]

On Thu, 30 May 2002 10:58:31 -0400
 Leo Bicknell <bicknell () ufp org> wrote:
> In a message written on Thu, May 30, 2002 at 10:40:47AM -0400, Marshall
> Eubanks wrote:
> > It would add 30% to the number of BGP address blocks pretty much
> automatically.
>
> How do you come up with that number?  Of course, we have an issue
> with reclaiming existing space, but I think there are a number of
> people who have /20's today who only need a /24.  Also, only
> allocated ASN's could anounce (what's that, 24k today?), and probably
> half or more of those would choose not to use this /24.  Why would
> say, UUnet with /12's need a /24?  So I'm thinking worst case this
> might be 5-15k new routes, which is probably 3-13% of the total
> space already announced.

I was assuming that every ASN would claim its space and not renounce any.
However, in my BGP tables

total number of Active Unicast AS         = 13077

so, I think you are right - about 10K new routes at present, or roughly 10%.

Marshall

> -- 
>        Leo Bicknell - bicknell () ufp org - CCIE 3440
>         PGP keys at http://www.ufp.org/~bicknell/
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