Who owns MAC prefix 3C4E47?

3C4E47 is registered to Etronic A/S in the IEEE MA-L registry.

What devices use 3C4E47?

Any network device with a MAC address starting 3C:4E:47 was manufactured by or for Etronic A/S.

MA-L · OUI prefix

Etronic A/S

Any MAC address starting 3C:4E:47 is registered to Etronic A/S in DK.

OUI prefix	3C4E47
Vendor	Etronic A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	3C:4E:47:00:00:00

What this means

The IEEE assigned the MA-L block 3C4E47 to Etronic A/S. 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 3C:4E:47, it is Etronic A/S hardware.

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