Sunday, April 24, 2011

IP address can now pin down your location to within a half mile

On the Internet, nobody knows you're a dog—but they might now have an easy time finding your kennel.

In a research paper and technical report presented at the USENIX Networked Systems Design and Implementation (NDSI) conference at the beginning of April, researchers from Northwestern University presented new methods for estimating the exact physical location of an IP address tens or hundreds of times more accurately than previously thought possible. The technique builds on existing approaches but adds a new element: it uses local businesses, government agencies, and educational institutions as landmarks, helping it achieve a median accuracy of just 690m—less than half a mile.

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Arielle Kebbel Jessica Paré Leelee Sobieski Teri Hatcher Lauren Bush

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