Using RIR info to determine geographic location...

Steven M. Bellovin smb at
Mon Dec 24 19:57:46 UTC 2007

On Mon, 24 Dec 2007 00:23:00 -0600
"James Hess" <mysidia at> wrote:

> On the other hand, it's perhaps the best geolocators can  _try_ to
> do...
> Short of geolocation services manually calling ISPs and asking.../
> making deals with major ISPs to procure lists of geographic regions
> and assigned IPs in those regions.
> I suppose that in theory proper geolocation close to 95% of IPs for
> page access requests would occur then (provided 95% of page access
> requests came from providers  they had that type of direct
> information from)

for another approach.

		--Steve Bellovin,

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