Home app Client with IP address (XXXXX) appears incompatible

I would guess that just sign out of the home account on that Mac?


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I've signed out of the home account on that mac (e.g. disabled it in iCloud settings). There is no home associated with the Home App. It still triggers something.

I'm now getting an "appears incompatible" message for a device that is unknown on my network. The I see it on the network, but it doesn't provide any clue as to the vendor using my usual network scan app (iNet Network Scan). Usually, a computer or iPhone will appear as a known entity and you can scan ports and there are usually ports and service that reveal themselves. This is a complete unknown and it is throwing up messages in my log. Anyone have any thoughts on how to identify it? It clearly has some sort of Home App on it as shows up as a Home app Client in the log. But I can't figure out where or what it is.

Any thoughts anyone?