Who owns MAC prefix 904DC3?

904DC3 is registered to Flonidan A/S in the IEEE MA-L registry.

What devices use 904DC3?

Any network device with a MAC address starting 90:4D:C3 was manufactured by or for Flonidan A/S.

MA-L · OUI prefix

Flonidan A/S

Any MAC address starting 90:4D:C3 is registered to Flonidan A/S in DK.

OUI prefix	904DC3
Vendor	Flonidan A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	90:4D:C3:00:00:00

What this means

The IEEE assigned the MA-L block 904DC3 to Flonidan 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 90:4D:C3, it is Flonidan A/S hardware.

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