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Requests for CAIDA Restricted Datasets
CAIDA provides access to several categories of restricted datasets: macroscopic topology measurements (e.g. the IPv4 Routed /24 Topology Dataset, anonymized internet traces (e.g. the Anonymized Internet Traces 2013 Dataset, a DDoS Attack in 2007, the DNS root/gTLD RTT Dataset, and several datasets from the UCSD Network Telescope, including backscatter datasets (e.g. The Backscatter-2008 Dataset). For a full list see our Data Overview.

Approved Requests for CAIDA Restricted Datasets

The table below shows the number of requests for all restricted datasets combined approved by CAIDA since 2002. This typically is about 75% to 80% of the requests received. CAIDA has been tracking this information in detail since about 2008. Earlier numbers have been reconstructed from email archives and are only estimates.

Last updated on 2017-Apr-16 07:11:55 UTC

TotalJanFebMarAprMayJunJulAugSepOctNovDec
200211000010022330
200375359398564977
200497539951078712148
20051721191919141610109261910
20061821017269228151914131910
200718911152219251415146161913
2008296193925281630271915252528
2009362121933391932452142314227
2010426252770394634271839363530
2011478265547454541423441274332
2012525374234515243473641386044
2013615515665494143444239646655
2014601513548496050593552476253
2015597514067535046553668445136
2016674525763616063553845566856
201717844396530

The breakup of these requests for each main category of restricted data is given in these separate tables.

Request Statistics for All Restricted Datasets

The graph below provides an overview of user interest for the main categories of restricted dataset provide by CAIDA. For each year three columns show the total number of requests received (left column) the total number of requests approved (middle column), and the number of users that actually accessed their account (right column).

In this graph 'passive' refers to the Anonymized Internet Trace datasets and 'rt-telescope' refers to the near-real-time UCSD Telescope data.

Geographical Distribution of Users of Restricted Data

We use the TLD extracted from the email addresses of our users to get an overview of the type of user of CAIDA data (e.g., educational, commercial, government, etc.) and, from country-level TLDs, the geographic distribution of our users. The graph below shows the most popular TLDs over the years.

Last updated on 2017-Apr-16 07:20:39 UTC

eduUS Educational1235nlNetherlands18phPhilippines4
cnChina705ieIreland17cyCyprus3
inIndia264netNetwork (.net)16mmMyanmar (Burma)3
ukUnited Kingdom235mxMexico16dzAlgeria3
comCommercial (.com)194huHungary15egEgypt3
krKorea (South)142czCzech Republic14hrCroatia (Hrvatska)3
deGermany112nzNew Zealand14usUnited States3
caCanada110saSaudi Arabia13catCatalonia (Spain)2
brBrazil109fiFinland12lvLatvia2
jpJapan106thThailand11lkSri Lanka2
itItaly94euEuropean Union10etEthiopia2
frFrance87zaSouth Africa9qaQatar2
auAustralia65joJordan9uyUruguay2
twTaiwan65noNorway9suUSSR (former)2
orgNon-Profit Organization62dkDenmark9bgBulgaria2
myMalaysia57arArgentina9omOman2
esSpain50ruRussia9bdBangladesh2
ilIsrael46ngNigeria8meMontenegro2
plPoland40atAustria7uaUkraine2
grGreece37maMorocco7snSenegal1
hkHong Kong37psPalestine6ioBritish Indian Ocean Territory1
milUS Military36rsSerbia6bfBurkina Faso1
govUS Government36clChile5mtMalta1
trTurkey34luLuxembourg5crCosta Rica1
ptPortugal33skSlovak Republic5ecEcuador1
chSwitzerland30tnTunisia5eusBasque language1
pkPakistan28roRomania5baBosnia and Herzegovina1
sgSingapore26aeUnited Arab Emirates5bhBahrain1
seSweden26lbLebanon5byBelarus1
beBelgium23ltLithuania4pePeru1
idIndonesia22npNepal4kwKuwait1
vnViet Nam19iqIraq4keKenya1
coColombia18siSlovenia4

  Last Modified: Sun Apr-16-2017 00:26:47 PDT
  Page URL: http://www.caida.org/data/about/restricted/index.xml