Who owns MAC prefix 9451BF?

9451BF is registered to Hyundai ESG in the IEEE MA-L registry.

What devices use 9451BF?

Any network device with a MAC address starting 94:51:BF was manufactured by or for Hyundai ESG.

MA-L · OUI prefix

Hyundai ESG

Any MAC address starting 94:51:BF is registered to Hyundai ESG in KR.

OUI prefix	9451BF
Vendor	Hyundai ESG
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	94:51:BF:00:00:00

What this means

The IEEE assigned the MA-L block 9451BF to Hyundai ESG. 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 94:51:BF, it is Hyundai ESG hardware.

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