Who owns MAC prefix 001DCB?

001DCB is registered to Exéns Development Oy in the IEEE MA-L registry.

What devices use 001DCB?

Any network device with a MAC address starting 00:1D:CB was manufactured by or for Exéns Development Oy.

MA-L · OUI prefix

Exéns Development Oy

Any MAC address starting 00:1D:CB is registered to Exéns Development Oy in FI.

OUI prefix	001DCB
Vendor	Exéns Development Oy
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	00:1D:CB:00:00:00

What this means

The IEEE assigned the MA-L block 001DCB to Exéns Development 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 00:1D:CB, it is Exéns Development Oy hardware.

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