Who owns MAC prefix D42000A?

D42000A is registered to BirdDog Australia in the IEEE MA-M registry.

What devices use D42000A?

Any network device with a MAC address starting D4:20:00:A was manufactured by or for BirdDog Australia.

MA-M · OUI prefix

BirdDog Australia

Any MAC address starting D4:20:00:A is registered to BirdDog Australia in AU.

OUI prefix	D42000A
Vendor	BirdDog Australia
Registry	MA-M (28-bit, medium block)
Country	AU
Example MAC	D4:20:00:A:00:00:00

What this means

The IEEE assigned the MA-M block D42000A to BirdDog Australia. 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 D4:20:00:A, it is BirdDog Australia hardware.

Other BirdDog Australia prefixes

BirdDog Australia holds 3 registered blocks in total.

70B3D53B9 70B3D5C7E

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