All aircraft are tracked. These screenshots are from a website that shows all the flight paths in real-time, or close to it.

In general you can see the aircraft type and call-sign(?), owner, point of origin, and destination. Sometimes owner and destination are obscured for varying reasons.

These particular screenshots are showing flights that originated from Russia

The background of it in video form is basically this: https://youtu.be/thqbjA2DC-E

Due to geopolitics and war, specific airlines may not be allowed (or want to) fly through another countries air space. That's what's happening. Ukraine war made a lot of routes longer and more complicated because a lot of airlines started avoiding Ukraine (due to war) and Russia (due to war but also sanctions, since by internal treaty Russia could collect fees if airlines fly through their airspace).