Who owns MAC prefix A4DA22E?

A4DA22E is registered to Quuppa Oy in the IEEE MA-M registry.

What devices use A4DA22E?

Any network device with a MAC address starting A4:DA:22:E was manufactured by or for Quuppa Oy.

MA-M · OUI prefix

Quuppa Oy

Any MAC address starting A4:DA:22:E is registered to Quuppa Oy in FI.

OUI prefix	A4DA22E
Vendor	Quuppa Oy
Registry	MA-M (28-bit, medium block)
Country	FI
Example MAC	A4:DA:22:E:00:00:00

What this means

The IEEE assigned the MA-M block A4DA22E to Quuppa Oy. 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 A4:DA:22:E, it is Quuppa Oy hardware.

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