Bandwidth Usage Meter / Report

Comcast gouges customers with fake usage of data plan or bandwidth limit. I somehow magically exceed a 1TB in a house where just two people watch streaming TV occasionally.

I have 5 eero devices with ~40 devices connected, I want to simply look at all the devices that is consuming bandwidth and understand total usage in any period i can set say Month start to end, ideally i can set alert or pause devices if needed.

Do i sense a hackathon to know I this out over a weekend an it magically appears in my app