Re: Using RIR info to determine geographic location...

["Steven M. Bellovin" <smb () cs columbia edu>]

On Mon, 24 Dec 2007 00:23:00 -0600
"James Hess" <mysidia () gmail com> 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)

See
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6,947,978.PN.&OS=PN/6,947,978&RS=PN/6,947,978
for another approach.


                --Steve Bellovin, http://www.cs.columbia.edu/~smb