An investigation of geographic mapping techniques for internet hosts
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
Geographic Properties of Internet Routing
ATEC '02 Proceedings of the General Track of the annual conference on USENIX Annual Technical Conference
Towards IP geolocation using delay and topology measurements
Proceedings of the 6th ACM SIGCOMM conference on Internet measurement
Constraint-based geolocation of internet hosts
IEEE/ACM Transactions on Networking (TON)
Geolocalization on the internet through constraint satisfaction
WORLDS'06 Proceedings of the 3rd conference on USENIX Workshop on Real, Large Distributed Systems - Volume 3
Improving the accuracy of measurement-based geographic location of Internet hosts
Computer Networks: The International Journal of Computer and Telecommunications Networking
Internet routing policies and round-trip-times
PAM'05 Proceedings of the 6th international conference on Passive and Active Network Measurement
On the Impact of Clustering on Measurement Reduction
NETWORKING '09 Proceedings of the 8th International IFIP-TC 6 Networking Conference
Improving content delivery using provider-aided distance information
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
Eyeball ASes: from geography to connectivity
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
Dude, where’s that IP?: circumventing measurement-based IP geolocation
USENIX Security'10 Proceedings of the 19th USENIX conference on Security
IP geolocation databases: unreliable?
ACM SIGCOMM Computer Communication Review
Towards street-level client-independent IP geolocation
Proceedings of the 8th USENIX conference on Networked systems design and implementation
A position paper on data sovereignty: the importance of geolocating data in the cloud
HotCloud'11 Proceedings of the 3rd USENIX conference on Hot topics in cloud computing
Posit: a lightweight approach for IP geolocation
ACM SIGMETRICS Performance Evaluation Review
Geolocation of data in the cloud
Proceedings of the third ACM conference on Data and application security and privacy
DataTraffic Monitoring and Analysis
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Geolocation of Internet hosts relies mainly on exhaustive tabulation techniques. Those techniques consist in building a database, that keeps the mapping between IP blocks and a geographic location. Relying on a single location for a whole IP block requires using a coarse enough geographic resolution. As this geographic resolution is not made explicit in databases, we try in this paper to better understand it by comparing the location estimates of databases with a well-established active measurements-based geolocation technique. We show that the geographic resolution of geolocation databases is far coarser than the resolution provided by active measurements for individual IP addresses. Given the lack of information in databases about the expected location error within each IP block, one cannot have much confidence in the accuracy of their location estimates. Geolocation databases should either provide information about the expected accuracy of the location estimates within each block, or reveal information about how their location estimates have been built, unless databases have to be trusted blindly.