Unknown Device in Armor, but not in Nighthawk Page

Please post about this in the Armor app forum:
https://community.netgear.com/t5/NETGEAR-Armor/bd-p/en-home-armor

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Skunky-One wrote:

Hi. I've got a weird situation where Armor displays a device connected to my network that doesn't appear when I login to my router. My questions are as follows:

 

1) If I remove the device in Armor, does that just stop armor from looking at it, or am I removing it from my network?

 

2) Is there any way to tell if it's connected to Wifi or a wired connection?

 

3) This isn't my device, so how do I get it off my network?

 

4) Why would this device show up in Armor, but not the router page?

 

The device that shows up is an 

ARRIS SET-TOP BOX

 

Thanks in advance for your help.

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