ISP Address Allocation

Patrick Evans pre at
Sun Nov 14 23:30:42 UTC 1999

On Sun, 14 Nov 1999 jlewis at wrote:

> > Or, in the event of this side of the pond, you could have a look at
> > the list of local IRs on
> These places are useful for finding out who "owns" what block of space,
> but the original question was more like "how do I found out all the
> address space an organization 'owns'?"  I'm not aware of an easy way to do
> that other than walking the entire IPv4 space at the appropriate
> registries.
RIPE's site has a good stab at that. The local IR page lists every
IR, alphabetically, by country, and lists all allocations for each
one. I know of no equivalent outside RIPE, but it works well enough on
this side of the Atlantic...

Patrick Evans - Sysadmin, bran addict and couch potato
pre at pre dot org           

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