An investigation of geographic mapping techniques for internet hosts
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
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)
Geographic locality of IP prefixes
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Geolocalization on the internet through constraint satisfaction
WORLDS'06 Proceedings of the 3rd conference on USENIX Workshop on Real, Large Distributed Systems - Volume 3
Investigating the imprecision of IP block-based geolocation
PAM'07 Proceedings of the 8th international conference on Passive and active network measurement
Assessing the geographic resolution of exhaustive tabulation for geolocating internet hosts
PAM'08 Proceedings of the 9th international conference on Passive and active network measurement
Characterizing the file hosting ecosystem: A view from the edge
Performance Evaluation
Analysis of country-wide internet outages caused by censorship
Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference
Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference
Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference
Geolocating IP addresses in cellular data networks
PAM'12 Proceedings of the 13th international conference on Passive and Active Measurement
Anatomy of a large european IXP
Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication
Towards a collaborative geosocial analysis workbench
Proceedings of the 3rd International Conference on Computing for Geospatial Research and Applications
Anatomy of a large european IXP
ACM SIGCOMM Computer Communication Review - Special october issue SIGCOMM '12
Studying inter-national mobility through IP geolocation
Proceedings of the sixth ACM international conference on Web search and data mining
Geolocation of data in the cloud
Proceedings of the third ACM conference on Data and application security and privacy
On the benefits of using a large IXP as an internet vantage point
Proceedings of the 2013 conference on Internet measurement conference
Benchmarking personal cloud storage
Proceedings of the 2013 conference on Internet measurement conference
Exploring EDNS-client-subnet adopters in your free time
Proceedings of the 2013 conference on Internet measurement conference
Proceedings of the ninth ACM conference on Emerging networking experiments and technologies
NetCluster: A clustering-based framework to analyze internet passive measurements data
Computer Networks: The International Journal of Computer and Telecommunications Networking
DataTraffic Monitoring and Analysis
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The most widely used technique for IP geolocation consists in building a database to keep the mapping between IP blocks and a geographic location. Several databases are available and are frequently used by many services and web sites in the Internet. Contrary to widespread belief, geolocation databases are far from being as reliable as they claim. In this paper, we conduct a comparison of several current geolocation databases -both commercial and free- to have an insight of the limitations in their usability. First, the vast majority of entries in the databases refer only to a few popular countries (e.g., U.S.). This creates an imbalance in the representation of countries across the IP blocks of the databases. Second, these entries do not reflect the original allocation of IP blocks, nor BGP announcements. In addition, we quantify the accuracy of geolocation databases on a large European ISP based on ground truth information. This is the first study using a ground truth showing that the overly fine granularity of database entries makes their accuracy worse, not better. Geolocation databases can claim country-level accuracy, but certainly not city-level.