Who owns MAC prefix A49B13?

A49B13 is registered to Digital Check in the IEEE MA-L registry.

What devices use A49B13?

Any network device with a MAC address starting A4:9B:13 was manufactured by or for Digital Check.

MA-L · OUI prefix

Digital Check

Any MAC address starting A4:9B:13 is registered to Digital Check in US.

OUI prefix	A49B13
Vendor	Digital Check
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	A4:9B:13:00:00:00

What this means

The IEEE assigned the MA-L block A49B13 to Digital Check. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting A4:9B:13, it is Digital Check hardware.

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