[101255] in North American Network Operators' Group
Re: Using RIR info to determine geographic location...
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Mon Dec 24 14:58:38 2007
Date: Mon, 24 Dec 2007 14:57:46 -0500
From: "Steven M. Bellovin" <smb@cs.columbia.edu>
To: "James Hess" <mysidia@gmail.com>
Cc: "NANOG list" <nanog@nanog.org>
In-Reply-To: <6eb799ab0712232223j7b3d8bc8qca6b06bbf42fff95@mail.gmail.com>
Errors-To: owner-nanog@merit.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