I've had multiple unknown devices show up on my xfi app. I have literally no clue where they are from I've looked up the MAC addresses and OUIs. They are never registered to a company. It's EXTREMELY frustrating.i have a screenshot of the most recent one I got rid of. I can never catch them online and they never use data. https://forums.xfinity.com/t5/media/gallerypage/image-id/44773i8D2BEE6E916498BB
I keep seeing the same behavior and am upset that I can’t seem to block them or forget them altogether. Benu Network VPNs seem to be the most egregious offenders. I do not use or employ their products and find I have to pause them indefinitely each time I catch one connecting to me network.
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