Who owns MAC prefix 0022B2?

0022B2 is registered to 4RF Communications Ltd in the IEEE MA-L registry.

What devices use 0022B2?

Any network device with a MAC address starting 00:22:B2 was manufactured by or for 4RF Communications Ltd.

MA-L · OUI prefix

4RF Communications Ltd

Any MAC address starting 00:22:B2 is registered to 4RF Communications Ltd in NZ.

OUI prefix	0022B2
Vendor	4RF Communications Ltd
Registry	MA-L (24-bit, large block)
Country	NZ
Example MAC	00:22:B2:00:00:00

What this means

The IEEE assigned the MA-L block 0022B2 to 4RF Communications 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 00:22:B2, it is 4RF Communications Ltd hardware.

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