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2009
ACM

Where's that phone?: geolocating IP addresses on 3G networks

9 years 4 months ago
Where's that phone?: geolocating IP addresses on 3G networks
Cell phones connected to high-speed 3G networks constitute an increasingly important class of clients on the Internet. From the viewpoint of the servers they connect to, such devices are virtually indistinguishable from conventional endhosts. In this study, we examine the IP addresses seen by Internet servers for cell phone clients and make two observations. First, individual cell phones can expose different IP addresses to servers within time spans of a few minutes, rendering IP-based user identification and blocking inadequate. Second, cell phone IP addresses do not embed geographical information at reasonable fidelity, reducing the effectiveness of commercial geolocation tools used by websites for fraud detection, server selection and content customization. In addition to these two observations, we show that applicationlevel latencies between cell phones and Internet servers can differ greatly depending on the location of the cell phone, but do not vary much at a given locatio...
Mahesh Balakrishnan, Iqbal Mohomed, Venugopalan Ra
Added 28 May 2010
Updated 28 May 2010
Type Conference
Year 2009
Where IMC
Authors Mahesh Balakrishnan, Iqbal Mohomed, Venugopalan Ramasubramanian
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