Free Resources from TeleGeography
TeleGeography, a PrimeMetrica company, is a leading provider of telecommunication statistics. They provide a hearty selection of free (registration required) executive summaries, charts, graphs, and tables including:
Top 10 International Carriers
International VoIP and PSTN Traffic Summary
European Traffic Flows
Latin American Traffic Flows
Asian Traffic Flows
Call Delivery Methods
Global Internet Geography
International Internet Bandwidth Growth by Region
Interregional Internet Bandwidth
Map of Major Interregional Internet Routes
Global Bandwidth
The Electromagnetic Spectrum
Submarine Cable System Diagram
Submarine Cable Capacity Trends
Map of U.S. City Connectivity
Map of European City Connectivity
A Primer on Bits
Colocation
Cross-Section of a Colo Facility
Space in U.S. Colo Facilities
European Bandwidth versus Rack Prices
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