Thanks for the report. Speaking with Semperfi-Mantis I believe the banned players being able to join was resolved in the Summer update, but i have passed the not being able to ban issue along for investigation.
I am the original creator of BFTracker before I joined EA, as Braddock said. We do still use the tracker and update it. The issue you are referring to is marked as "QA Investigating" this means we are still investigating the issue…
Actually one of your images is showing a fair amount of network variation there on the right graph, and the left graph also shows latency variation.
And to answer the OPs question, no there is no way to disable these.
[DICE] Official - RUSH - EU - #3822011 does indeed look to be an official DICE server, but as Braddock512 mentioned there are no admins for these servers, so it is not possible you were kicked by an admin.
However, if you were disconnect…