But you don't have to change routing for that - you can do that with just passive monitoring. And by the way, the law [1] that requires ISPs to store up to 6 mo

But you don't have to change routing for that - you can do that with just passive monitoring. And by the way, the law [1] that requires ISPs to store up to 6 months worth of traffic is coming into effect next year. So even monitoring won't be necessary. Maybe they were testing effective ways to block foreign sites? [1] https://en.wikipedia.org/wiki/Yarovaya_law https://en.wikipedia.org/wiki/Yarovaya_law