Who owns MAC prefix 0002B1?

0002B1 is registered to Anritsu, Ltd. in the IEEE MA-L registry.

What devices use 0002B1?

Any network device with a MAC address starting 00:02:B1 was manufactured by or for Anritsu, Ltd..

MA-L · OUI prefix

Anritsu, Ltd.

Any MAC address starting 00:02:B1 is registered to Anritsu, Ltd. in GB.

OUI prefix	0002B1
Vendor	Anritsu, Ltd.
Registry	MA-L (24-bit, large block)
Country	GB
Example MAC	00:02:B1:00:00:00

What this means

The IEEE assigned the MA-L block 0002B1 to Anritsu, 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 00:02:B1, it is Anritsu, Ltd. hardware.

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