Network connection Cerbo comes en goes

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Cerbo Gx showing up in list off recently connected to the network.
In the history plenty times connected & clearly gone.
At the same time I see Venus wich is permanent.
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(Sreenshots are from Eset Network Scanner)

What is that Cerbo Gx that comes en goes away?
Is this not the reason that I loose connection with Node Red while working on the local network? Dashboard saying ‘lost connection’ & if uploading flow saying 'Node Red not … '?

What version are you running?

This morning updated to last Beta but this is not new looking in the history.
I noticed this before but didn’t pay attention or posed questions to it (no expert in these things).