Who owns MAC prefix 3C39E79?

3C39E79 is registered to Zone Controls AB in the IEEE MA-M registry.

What devices use 3C39E79?

Any network device with a MAC address starting 3C:39:E7:9 was manufactured by or for Zone Controls AB.

MA-M · OUI prefix

Zone Controls AB

Any MAC address starting 3C:39:E7:9 is registered to Zone Controls AB.

OUI prefix	3C39E79
Vendor	Zone Controls AB
Registry	MA-M (28-bit, medium block)
Example MAC	3C:39:E7:9:00:00:00

What this means

The IEEE assigned the MA-M block 3C39E79 to Zone Controls AB. 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:39:E7:9, it is Zone Controls AB hardware.

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