Who owns MAC prefix A4B1EE?

A4B1EE is registered to H. ZANDER GmbH & Co. KG in the IEEE MA-L registry.

What devices use A4B1EE?

Any network device with a MAC address starting A4:B1:EE was manufactured by or for H. ZANDER GmbH & Co. KG.

MA-L · OUI prefix

H. ZANDER GmbH & Co. KG

Any MAC address starting A4:B1:EE is registered to H. ZANDER GmbH & Co. KG in DE.

OUI prefix	A4B1EE
Vendor	H. ZANDER GmbH & Co. KG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	A4:B1:EE:00:00:00

What this means

The IEEE assigned the MA-L block A4B1EE to H. ZANDER GmbH & Co. KG. 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 A4:B1:EE, it is H. ZANDER GmbH & Co. KG hardware.

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