These guys [1] offer a layer 3 bridge that does ip shunning, with white listing and black listing built in. It supposedly operates at line speed (!) which is kind of remarkable. I'd like a device like this for my in laws, they don't sell to consumers though, so far as I know.
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[ 14.7 ms ] story [ 575 ms ] thread[1] https://www.riskanalytics.com/cyber-security-services/intell...
https://latacora.com/