Re: Geo Tracing/Locate Tor Network

[Roger Dingledine <arma@xxxxxxx>]

On Mon, Oct 27, 2008 at 08:17:39PM -0500, Jonathan Addington wrote:
> Two questions (sorry if these are somewhere in the FAQ)
> First, where does Vidalia get the IP info for mapping Tor? IP addresses
> based on the directory?

[Answered earlier in the thread]

> Second, what does Vidalia use to geolocate the IP? Is there a db or an API
> preferred?

http://trac.vidalia-project.net/browser/vidalia/trunk/doc/geoip-spec.txt
Basically it uses a city-resolution DB queried via Tor.

But see also
https://svn.torproject.org/svn/tor/trunk/doc/spec/proposals/126-geoip-reporting.txt
which describes how Tor now ships with a country-resolution geoip DB,
and some options going forward.

--Roger