Get as much IP space as you ever dreamed of, was: Re: Looking to buy IPv4 addresses from class C swamp

Stephen J. Wilcox steve at
Mon Apr 28 22:21:09 UTC 2003

[Should non-routed addresses be revoked?]

No, but they should be watched to see if they remain unrouted and then 
try to contact the owner..

On Mon, 28 Apr 2003, Temkin, David wrote:

> And something else a lot of people tend to forget - just because space isn't
> in the tables doesn't mean it's not in use.

Something of a waste?

> There are companies that connect to thousands of other companies (see the
> financial markets) that require unique addressing between companies with
> non-colliding address ranges.  10.x.x.x doesn't quite cut it.

Why not? 16 million addresses arent enough? (and thats only 10/8) 

RFC1918 does suggest non-public intra-company networks use private space.


> -DT
> -----Original Message-----
> From: Stephen Sprunk [mailto:stephen at] 
> Sent: Monday, April 28, 2003 6:01 PM
> To: Daniel Golding; Kai Schlichting
> Cc: North American Noise and Off-topic Gripes
> Subject: Re: Get as much IP space as you ever dreamed of, was: Re: Looking
> to buy IPv4 addresses from class C swamp
> Thus spake "Daniel Golding" <dgold at FDFNet.Net>
> > ARIN needs to repo any space that has [not] been advertised for a 
> > reasonable length of time, and reissue it.
> So you're claiming that ARIN should revoke any allocations, including those
> made before it came into existence, simply because the addresses aren't in
> the global tables?
> If that's the position of the community, that's a drastic change from
> assertions made in the IETF WGs and may affect address allocation guidelines
> and even some protocol work.
> S
> Stephen Sprunk         "God does not play dice."  --Albert Einstein
> CCIE #3723         "God is an inveterate gambler, and He throws the
> K5SSS        dice at every possible opportunity." --Stephen Hawking
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