Who owns MAC prefix A47B85?

A47B85 is registered to ULTIMEDIA Co Ltd, in the IEEE MA-L registry.

What devices use A47B85?

Any network device with a MAC address starting A4:7B:85 was manufactured by or for ULTIMEDIA Co Ltd,.

MA-L · OUI prefix

ULTIMEDIA Co Ltd,

Any MAC address starting A4:7B:85 is registered to ULTIMEDIA Co Ltd, in KR.

OUI prefix	A47B85
Vendor	ULTIMEDIA Co Ltd,
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	A4:7B:85:00:00:00

What this means

The IEEE assigned the MA-L block A47B85 to ULTIMEDIA Co Ltd,. 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 A4:7B:85, it is ULTIMEDIA Co Ltd, hardware.

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