What devices use 001A1A?

Any network device with a MAC address starting 00:1A:1A was manufactured by or for Gentex Corporation/Electro-Acoustic Products.

MA-L · OUI prefix

Gentex Corporation/Electro-Acoustic Products

Q: Who owns MAC prefix 001A1A?

001A1A is registered to Gentex Corporation/Electro-Acoustic Products in the IEEE MA-L registry.

Any MAC address starting 00:1A:1A is registered to Gentex Corporation/Electro-Acoustic Products in US.

OUI prefix	001A1A
Vendor	Gentex Corporation/Electro-Acoustic Products
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1A:1A:00:00:00

What this means

The IEEE assigned the MA-L block 001A1A to Gentex Corporation/Electro-Acoustic Products. 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 00:1A:1A, it is Gentex Corporation/Electro-Acoustic Products hardware.

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