Who owns MAC prefix 00F403?

00F403 is registered to Orbis Systems Oy in the IEEE MA-L registry.

What devices use 00F403?

Any network device with a MAC address starting 00:F4:03 was manufactured by or for Orbis Systems Oy.

MA-L · OUI prefix

Orbis Systems Oy

Any MAC address starting 00:F4:03 is registered to Orbis Systems Oy in FI.

OUI prefix	00F403
Vendor	Orbis Systems Oy
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	00:F4:03:00:00:00

What this means

The IEEE assigned the MA-L block 00F403 to Orbis Systems 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 00:F4:03, it is Orbis Systems Oy hardware.

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