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IP Geolocation Databases: Unreliable?

Poese, Ingmar ; Uhlig, Steve ; Kaafar, Mohamed Ali ; Donnet, Benoît ; Gueye, Bamba

Computer Communication Review, 41(2), 53-56. (2011).

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  • Nhan đề:
    IP Geolocation Databases: Unreliable?
  • Tác giả: Poese, Ingmar ; Uhlig, Steve ; Kaafar, Mohamed Ali ; Donnet, Benoît ; Gueye, Bamba
  • Chủ đề: Ip Geolocation ; Accuracy ; Reliability ; Engineering, Computing & Technology :: Computer Science ; Ingénierie, Informatique & Technologie :: Sciences Informatiques
  • Là 1 phần của: Computer Communication Review, 41(2), 53-56. (2011).
  • Mô tả: The most widely used technique for IP geolocation con- sists 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, geolo- cation 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 re- flect the original allocation of IP blocks, nor BGP announce- ments. 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 show- ing 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.
  • Năm xuất bản: 2011
  • Ngôn ngữ: English

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