Passive Dataset Requests

Data providers face a unique challenge in that requiring users to apply for data access discourages data use because some users find the application process too onerous and do not pursue data access. Yet significant resources are required to collect, curate, document, and serve scientific datasets to the research community.

To encourage support for data collection activities while not prohibiting access for users without resources, CAIDA provides access registered academic, government, and non-profit researchers and CAIDA members. We ask for-profit companies to sponsor CAIDA in order to gain access to these restricted datasets. All data access is subject to Acceptable Use Policies (AUP) designed to protect the privacy of monitored communications, ensure security of network infrastructure, and comply with the terms of our agreements with data providers.

To gain access to data, prospective users fill out a request form with their contact information and intended usage. Requests are validated and accounts activated. Most qualified researchers receive data access within two business days.

Response Overview Total submissions: 412 Earliest submission: February 9, 2004 16:48:22 Latest submission: July 3, 2008 20:51:58 Students Using Data: 260 (average 0.63)	Dataset Chosen Anonymized OC48 Traces 368 Anonymized 2007 Internet Traces 60 14
Response by Day of the Week Monday 67 Tuesday 97 Wednesday 79 Thursday 69 Friday 44 Saturday 20 Sunday 36	Who Requests Data Academic Researcher/Student 325 Other 58 Government Researcher 13 CAIDA Sponsor 6 Academic Researcher/Student, CAIDA Sponsor, Government Researcher, Government Agency 3 Academic Researcher/Student, CAIDA Sponsor 2 Academic Researcher/Student, Government Researcher 2 Government Agency 2 Academic Researcher/Student, CAIDA Sponsor, Government Agency 1

Restricted Access Datasets

For more information about CAIDA's restricted access datasets, see:

Dataset Description	Release Date	Dataset Request Link	Dataset Access Link (requires login)
IPv4 Routed /24 Topology Dataset	February 1, 2008	request access	data access
Anonymized 2007 Internet Traces	January 17, 2008	request access	data access
Backscatter 2007 Dataset	June 26, 2007	request access	data access
DNS root/gTLD RTT Dataset	August 3, 2006	request access	data access
Backscatter 2006 Dataset	April 7, 2006	request access	data access
Backscatter 2004-2005 Dataset	February 15, 2006	request access	data access
Witty Worm Dataset	January 11, 2006	request access	data access
Backscatter TOCS Dataset	November 9, 2005	request access	data access
Skitter Topology Data	July 29, 2004	request access	data access
Internet Topology Data Kit (ITDK 2002-2003)	July 29, 2004	request access	data access
Anonymized OC48 Traces	February 9, 2004	request access	data access

Passive Dataset Sponsors

• National Science Foundation
• Department of Homeland Security
• Digital Envoy