https://techcrunch.com/2022/03/14/instagram-is-now-blocked-in-russia/

Russia followed through on its threat to block Meta-owned Instagram on Monday, cutting off access to tens of millions of users in the country.

Instagram is popular in Russia. It’s Meta’s second most popular app there. according to data from Sensor Tower, behind ubiquitous messaging service WhatsApp. The app has been installed 166 million times across the Russian App Store and Google Play since 2014, making it three times as popular as Facebook.