Who owns MAC prefix B01C91?

B01C91 is registered to Elim Co in the IEEE MA-L registry.

What devices use B01C91?

Any network device with a MAC address starting B0:1C:91 was manufactured by or for Elim Co.

MA-L · OUI prefix

Elim Co

Any MAC address starting B0:1C:91 is registered to Elim Co in KR.

OUI prefix	B01C91
Vendor	Elim Co
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	B0:1C:91:00:00:00

What this means

The IEEE assigned the MA-L block B01C91 to Elim Co. 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 B0:1C:91, it is Elim Co hardware.

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