Russia Blocks OONI Explorer, a Large Open Dataset On Internet Censorship

As of September 11th, Russia has blocked access to OONI Explorer, citing concerns over circumvention tools. This block affects Russian users' ability to access not only circumvention data but also the extensive dataset on global internet censorship that OONI provides. From a blog post: OONI Explorer is one of the largest open datasets on internet censorship around the world. We first launched this web platform back in 2016 with the goal of enabling researchers, journalists, and human rights defenders to investigate internet censorship based on empirical network measurement data that is contributed by OONI Probe users worldwide. Every day, we publish new measurements from around the world in real-time.

Today, OONI Explorer hosts more than 2 billion network measurements collected from 27 thousand distinct networks in 242 countries and territories since 2012. Out of all countries, OONI Probe users in Russia contribute the second largest volume of measurements (following the U.S, where OONI Probe users contribute the most measurements out of any country). This has enabled us to study various cases of internet censorship in Russia, such as the blocking of Tor, the blocking of independent news media websites, and how internet censorship in Russia changed amid the war in Ukraine.

In this report, we share OONI data on the blocking of OONI Explorer in Russia.

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