Who owns MAC prefix 0012B0?

0012B0 is registered to Efore Oyj (Plc) in the IEEE MA-L registry.

What devices use 0012B0?

Any network device with a MAC address starting 00:12:B0 was manufactured by or for Efore Oyj (Plc).

MA-L · OUI prefix

Efore Oyj (Plc)

Any MAC address starting 00:12:B0 is registered to Efore Oyj (Plc).

OUI prefix	0012B0
Vendor	Efore Oyj (Plc)
Registry	MA-L (24-bit, large block)
Example MAC	00:12:B0:00:00:00

What this means

The IEEE assigned the MA-L block 0012B0 to Efore Oyj (Plc). 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 00:12:B0, it is Efore Oyj (Plc) hardware.

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