What is the Russian equivalent of NATO?

What is the Russian equivalent of NATO? The Collective Security Treaty Organization (CSTO) is an intergovernmental military alliance in Eurasia consisting in 2022 of six post-Soviet states: Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia, and Tajikistan.

The Collective Security Treaty Organization (CSTO) is an intergovernmental military alliance in Eurasia consisting in 2022 of six post-Soviet states: Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia, and Tajikistan.