Who owns MAC prefix AC4723?

AC4723 is registered to Genelec in the IEEE MA-L registry.

What devices use AC4723?

Any network device with a MAC address starting AC:47:23 was manufactured by or for Genelec.

MA-L · OUI prefix

Genelec

Any MAC address starting AC:47:23 is registered to Genelec in FI.

OUI prefix	AC4723
Vendor	Genelec
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	AC:47:23:00:00:00

What this means

The IEEE assigned the MA-L block AC4723 to Genelec. 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 AC:47:23, it is Genelec hardware.

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