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CAIDA: Cooperative Association for Internet Data Analysis
Statistics on Collected Data: Data by the Numbers

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An overview of the data managed by CAIDA, including our passive trace, macroscopic topology, and security data collections. While the majority of CAIDA's datasets are represented here, these numbers represent a lower bound on the total data housed at CAIDA.
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Data Collection Overview

Total number of datafiles230,404
Total sum of uncompressed data available91.43 TiB
Number of activated monitors28
Total number of IPv4 headers901,242,776,513
Total number of IPv6 headers56,436,740
Average daily increase of uncompressed data (last 365 days)64.59 GiB
Number of files collected each day (average over 365 days)73

Data Request Overview


Total submissions:1679
Earliest submission:February 4, 2003 13:25:51
Most recent submission:May 13, 2008 01:36:19
Students Using Data:1990 (average 1.18)
Dataset Chosen
Anonymized Internet Traces387
Macroscopic Topology Datasets374
Backscatter Datasets280
AS Relationships Dataset234
Skitter AS Links Dataset203
Witty Worm Dataset77
Code-Red Worms Dataset58
Witty Worm Public Dataset35
DNS root/gTLD RTT Dataset22
IPv4 Routed /24 AS Links Dataset8

Statistics on All Data Requests

Statistics on Requests for Freely Available Data

Statistics on Requests for Restricted Access Data

Data Collection by Type

Passive Data Collection

Earliest data August 14, 2002
Latest data (collection is ongoing) March 19, 2008
Total number of datafiles 829
Total sum of uncompressed data available 1.937 TiB

Security Data Collection

Earliest data February 1, 2001
Latest data (collection is ongoing) May 8, 2008
Total number of datafiles 73,964
Total sum of uncompressed data available 82.51 TiB

Macroscopic Topology Data Collection

All From Skitter infrastructure From Archipelago infrastructure
Earliest data January 18, 1998 January 18, 1998 September 13, 2007
Latest data (collection is ongoing) May 10, 2008 February 8, 2008 May 10, 2008
Total number of datafiles 74,872 70,694 4,178
Total sum of uncompressed data available 4.314 TiB 4.012 TiB 309.8 GiB

Sponsors

National Science Foundation logo Department of Homeland Security logo Cisco Systems logo WIDE Project logo Limelight Networks logo Defense Advanced Research Projects Agency logo Digital Envoy logo Endace logo University of Auckland logo WAND - University of Waikato logo

Cooperative Association for Internet Data Analysis (CAIDA)
  Last Modified: Tues May-13-2008 1:30:5 PDT
  Maintained by: Emile Aben
  Page URL: http://www.caida.org/data/statistics/index.xml