Who owns MAC prefix 547A52?

547A52 is registered to CTE International srl in the IEEE MA-L registry.

What devices use 547A52?

Any network device with a MAC address starting 54:7A:52 was manufactured by or for CTE International srl.

MA-L · OUI prefix

CTE International srl

Any MAC address starting 54:7A:52 is registered to CTE International srl in IT.

OUI prefix	547A52
Vendor	CTE International srl
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	54:7A:52:00:00:00

What this means

The IEEE assigned the MA-L block 547A52 to CTE International srl. 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 54:7A:52, it is CTE International srl hardware.

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