Who owns MAC prefix 0020B4?

0020B4 is registered to TERMA ELEKTRONIK AS in the IEEE MA-L registry.

What devices use 0020B4?

Any network device with a MAC address starting 00:20:B4 was manufactured by or for TERMA ELEKTRONIK AS.

MA-L · OUI prefix

TERMA ELEKTRONIK AS

Any MAC address starting 00:20:B4 is registered to TERMA ELEKTRONIK AS in DK.

OUI prefix	0020B4
Vendor	TERMA ELEKTRONIK AS
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:20:B4:00:00:00

What this means

The IEEE assigned the MA-L block 0020B4 to TERMA ELEKTRONIK AS. 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 00:20:B4, it is TERMA ELEKTRONIK AS hardware.

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