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Research Papers

Clement, A. "NSA Surveillance: Exploring the Geographies of Internet Interception", Proceedings of the iConference 2014, Berlin, Mar 4-7, 2014: available here

Obar, J.A. & Clement, A. "Internet surveillance and boomerang routing: A call for Canadian network sovereignty". Proceedings of the Technology and Emerging Media Division, Canadian Communication Association Conference, 2013, available at: available here *Included on the Harvard Nieman Lab's 'What's new in digital scholarship' list: available here

Obar, J.A. "Phantom data sovereigns: Walter Lippmann, big data and the fallacy of personal data sovereignty", under review.

Clement, A. “IXmaps – Tracking your personal data through the NSA’s warrantless wiretapping sites” IEEE - ISTAS conference, Toronto, June 26-27, 2013: available here

Paterson, N. “Veillances: protocols & network surveillance”, IEEE - ISTAS conference, Toronto, June 26-27, 2013: available here


Clement, A. "Privacy, NSA surveillance and Canadian internet 'boomerang' traffic: Policy implications for Canadian businesses and public institutions", presented at International Privacy Day, Toronto, January 28, 2014. A video of the presentation is available here and slides are available here

Obar, J.A., Shade, L.R. & Clement, A. "The strength of a broad-based coalition: How Canadian media reformists defeated Bill C-30". Presented at the Strategies for Media Reform: International Perspectives pre-conference, International Communication Association Conference, London, UK, 2013.

Obar, J.A. & Clement, A. "The IXmaps project: Confronting the mounting threats to Canadian network sovereignty". Presented at the Canadian Communication Association Conference, Victoria, BC, 2013.

Obar, J.A. “Big data and the fallacy of personal data sovereignty”, the Canadian Civil Liberties Association’s RightsWatch Conference, Ryerson University, 2013.

Obar, J.A. “Strategies for media reform: A call to action”, the Strategies for Media Reform: International Perspectives pre-conference, International Communication Association Conference, London, UK, 2013.

Obar, J.A. “Big data and the fallacy of personal data sovereignty”, the Technology and Intellectual Property Group Annual Conference, University of Toronto Law School, 2013.

IXmaps is in the Hot Zone at the Ontario Science Centre.
Event date: Oct 13, 2012

IXmaps research was presented in the Surveillant Geographies session at the Royal Geographical Society's annual conference in Edinburgh
Event dates: July 3 - July 5, 2012

IXmaps hosted an Alternative Event Session at the 2012 iConference, hosted by the Faculty of Information at the University of Toronto. A copy of the presentation can be found here

A copy of a presentation given at the Centre for Innovation Law and Policy's Cloud Computing Conference: Law and Policy Issues in the Cloud, from October, 2011, can be found here.

IXmaps was presented at Cyber Surveillance in Everyday Life: An International Workshop, held May 12 - 15, 2011, at the University of Toronto

To view a presentation on the IXmaps project (in .pdf format) at the Global Surveillance Society conference, City University, London, UK, April, 2010, please click here.

For a revised version of the paper presented at that conference, titled IXmaps: Interactively mapping NSA surveillance points in the internet “cloud”, please click here

IXmaps debuted at Securing the Cyber Commons: A Global Dialogue, a cyber security forum held on Monday, March 28, 2011, at the Munk School of Global Affairs, University of Toronto.

To download an IXmaps poster, click here

Supporting Links

Projects that are similar in scope to IXmaps include the DIMES project from Tel Aviv University, the CAIDA Gtrace project, the Geographical Traceroute project and the University of Washington toolset (Rocketfuel, IPlace, Hubble, etc.)

General Resources

List of telecom switches based on location (address/zip/LL) or CLLI. Many of these switches are data centers or IXPs - http://www.telcodata.us/

A great reverse lookup site - http://fixedorbit.com/search.htm

Huge list of hostname codes. Useful for parsing hostnames. Slightly out of date - http://www.sarangworld.com/TRACEROUTE/showdb.php

Another list of hostname codes. If it's not in Sarangworld, try here - http://ecee.colorado.edu/~mathys/ecen1200/hwcl05/router_acronyms.html

A community generated list of IXPs with exact addresses. Very useful for IXPs, occasionally datacentres - https://www.peeringdb.com/

A non-profit listing of IXPs, with supporting stats like traffic volume. Also other useful sections, with papers, utilities, etc. - https://prefix.pch.net/applications/ixpdir/

Another list of IXPs and data centers, and properties. This one is for profit, less exact locational information, larger total number of listings - http://www.datacentermap.com/

A list of all of our competitors - http://www.caida.org/tools/utilities/netgeo/

Huge list of looking glass sites. Useful for determining what cities an ISP has a POP in - http://www.bgp4.as/looking-glasses

Internet/networks/ISPs forum - http://www.dslreports.com

Large list of useful links related to ISPs, IXPs, internet architecture, etc. - http://navigators.com/isp.html

AT&T's network monitoring site. Gives current and averaged info on latency, loss, jitter, etc for routes between major listed hubs - http://ipnetwork.bgtmo.ip.att.net/pws/network_delay.html

Needs Java. Has free trail - http://www.visualroute.com/detail.html

Pretty ancient, but a solid resource on how hostnames and IP can lead to geographic location. Used as a last resort of Sarangworld and other failed. Note: some stuff is out of date - http://www.private.org.il/IP2geo.htm


Visualizations of various network types - http://internetgeography.blogspot.com/

Central offices - http://www.co-buildings.com/

Switches, but generally only the old school kind (phone, etc) - http://www.montagar.com/~patj/phone-switches.htm

Source articles

Article on peering, US ISP mergers - http://www.renesys.com/blog/2005/12/peering_the_fundamental_archit.shtml

Has some handy primers about internet architecture - http://www.isoc.org/

Original memo about Autonomous Systems - http://tools.ietf.org/html/rfc1930

IP, ASN, WhoIs, Lookups, etc.

IP lookup, also gives ownership, long/lat, IP ranges, contact info, etc. - http://www.whatismyipaddress.com

Firefox extension that displays AS# for current URL - http://www.asnumber.networx.ch/

IP lookup, public registry of routing information for networks - http://www.radb.net/about.html

AS# lookup, link to ownership and address - http://enc.com.au/itools/aut-num.php

IANA registry of AS numbers - http://www.iana.org/assignments/as-numbers/as-numbers.xml

ARIN whois lookup for AS numbers - https://ws.arin.net/whois/

Good for finding peers - http://www.fixedorbit.com/

Carrier hotels

Aggregation of recent news on DCs... good search feature - - http://www.datacenterknowledge.com

Listing of carrier hotels for rent - http://www.carrierhotels.com/colo_home.php

Internet exchange directory - https://prefix.pch.net/applications/ixpdir/

Another IXP directory - http://www.bgp4.as/internet-exchanges

Ditto - http://en.wikipedia.org/wiki/List_of_Internet_exchange_points

Ditto - http://www.datacentermap.com/ixps.html

Blurb about Peer 1 data centre in Toronto - http://www.peer1.com/hosting/toronto_data_center.php