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Re: internet probe can track you within 690 m
From: Franck Martin <fmartin () linkedin com>
Date: Mon, 11 Apr 2011 21:36:57 +0000

Don't forget the use for 911 type services.

On 4/12/11 8:10 , "Jeroen van Aart" <jeroen () mompl net> wrote:

http://www.newscientist.com/article/dn20336-internet-probe-can-track-you-d
own-to-within-690-metres.html
"The new method zooms in through three stages to locate a target
computer. The first stage measures the time it takes to send a data
packet to the target and converts it into a distance ­ a common
geolocation technique that narrows the target's possible location to a
radius of around 200 kilometres.
(..)
Finally, they repeat the landmark search at this more fine-grained
level: comparing delay times once more, they establish which landmark
server is closest to the target. The result can never be entirely
accurate, but it's much better than trying to determine a location by
converting the initial delay into a distance or the next best IP-based
method. On average their method gets to within 690 metres of the target
and can be as close as 100 metres ­ good enough to identify the target
computer's location to within a few streets."

It seems to me to be a rather flaky way of finding out your estimated
locat



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