Who owns MAC prefix 542A9C?

542A9C is registered to LSY Defense, LLC. in the IEEE MA-L registry.

What devices use 542A9C?

Any network device with a MAC address starting 54:2A:9C was manufactured by or for LSY Defense, LLC..

MA-L · OUI prefix

LSY Defense, LLC.

Any MAC address starting 54:2A:9C is registered to LSY Defense, LLC. in US.

OUI prefix	542A9C
Vendor	LSY Defense, LLC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	54:2A:9C:00:00:00

What this means

The IEEE assigned the MA-L block 542A9C to LSY Defense, LLC.. 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 54:2A:9C, it is LSY Defense, LLC. hardware.

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