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MAC address on Comcast Business router

MAC address on Comcast Business router

MAC address on Comcast Business router

(OP)
I'm trying to remotely get a MAC address from the sticker on the back of a new Comcast business router.  I've had an employee read me the info on the sticker, and it gives three addresses, all similar up to the last two digits.  The three addresses are labeled as "RF", "Change Range", and "Change Data".

I guess I could have someone config a computer and plug it in to the router, ping it, then arp it and get the MAC... I could also call Comcast Commercial support, but I was wondering if someone knew which of those three to use on my end as the MAC of the NIC on that router?

Thanks for any help!!!

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