Who owns MAC prefix 000ECF?

000ECF is registered to PROFIBUS Nutzerorganisation e.V. in the IEEE MA-L registry.

What devices use 000ECF?

Any network device with a MAC address starting 00:0E:CF was manufactured by or for PROFIBUS Nutzerorganisation e.V..

MA-L · OUI prefix

PROFIBUS Nutzerorganisation e.V.

Any MAC address starting 00:0E:CF is registered to PROFIBUS Nutzerorganisation e.V. in DE.

OUI prefix	000ECF
Vendor	PROFIBUS Nutzerorganisation e.V.
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:0E:CF:00:00:00

What this means

The IEEE assigned the MA-L block 000ECF to PROFIBUS Nutzerorganisation e.V.. 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 00:0E:CF, it is PROFIBUS Nutzerorganisation e.V. hardware.

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