The Net Data Directory collects and shares information on different sources of data about the Internet. For more about the project, see our about page. To get started, use the search box below, or check out our quick start guide.

Internet Monitor

Internet Monitor is a research project based at Harvard University's Berkman Center for Internet & Society. Internet Monitor's aim is to evaluate, describe, and summarize the means, mechanisms, and extent of Internet content controls and Internet activity around the world. The project helps researchers, advocates, policymakers, and user communities understand trends in Internet health and activity through research, analysis, and data visualization.

Internet Monitor has three components:

Internet Perils

Private company (much of its detailed information is only open to clients) performing constant analysis Internet’s performance and connectivity problems. Peril Watch provides detailed information on cases of connectivity cuts. Perilsnap provides a graph of the network’s neighborhood from a specified node in the net.