NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
I've been searching the forums and the Internet in general, today, as I have gotten my first notice from Comcast that, lo, I am over my 1 Terabyte limit, this month. It has been inching toward that m...
You may want to look into purchasing a Fingbox from fing.io
It gives you some capabilities to track down high-usage culprits and is on sale (Dec 2018) for around $80 US.
It also keeps track of all devices and is surprisingly feature-rich - considering
The FREE Fing mobile app gives you some initial functionality, but the Fingbox sits on your network at all times and can be accessed remotely from the mobile app or via a browser and allows you to perform bandwidth analysis on selected devices.
Hope this helps...