Who owns MAC prefix C01242?

C01242 is registered to Alpha Security Products in the IEEE MA-L registry.

What devices use C01242?

Any network device with a MAC address starting C0:12:42 was manufactured by or for Alpha Security Products.

MA-L · OUI prefix

Alpha Security Products

Any MAC address starting C0:12:42 is registered to Alpha Security Products in US.

OUI prefix	C01242
Vendor	Alpha Security Products
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C0:12:42:00:00:00

What this means

The IEEE assigned the MA-L block C01242 to Alpha Security 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 C0:12:42, it is Alpha Security Products hardware.

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