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IP based geolocation and the [NSE] ip-geolocation
From: Gorjan Petrovski <mogi57 () gmail com>
Date: Mon, 30 May 2011 17:29:56 +0200


I'm currently researching methods of IP-based geolocation, so after a
couple of days of browsing I've decided to consult this list.

Apart from a lookup in a geolocation database (Google Geolocation
API[1]), I haven't found anything that would be as useful as that
method. But I really want this to be an awesome script, so if anyone
has more info on other methods, I'd be pleased to hear it.
There is also the Microsoft Geolocation API[2] which IE9 uses, but I
haven't been able to find direct access to the API, so I guess in
order to use that I'd have to emulate the protocol that IE9 uses.

I've also ran into a useful book I'm going through these days[3].

On the second NSE meeting two weeks ago, there was talk about the
needed execution parallelism of this script (for ex. if a range of IPs
is selected). But if I'm using the Google Geolocation API through the
http library and pipeline the requests, there would be no need for
implementing additional parallelism, right?

1. http://code.google.com/apis/gears/geolocation_network_protocol.html
2. http://msdn.microsoft.com/en-us/library/gg589513(v=vs.85).aspx
3. http://books.google.com/books?id=OOjII_9BA0cC&lpg=PP1&dq=isbn%3A0072263776&pg=PA14#v=onepage&q&f=false

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