Who owns MAC prefix 0025F3?

0025F3 is registered to Nordwestdeutsche Zählerrevision in the IEEE MA-L registry.

What devices use 0025F3?

Any network device with a MAC address starting 00:25:F3 was manufactured by or for Nordwestdeutsche Zählerrevision.

MA-L · OUI prefix

Nordwestdeutsche Zählerrevision

Any MAC address starting 00:25:F3 is registered to Nordwestdeutsche Zählerrevision in DE.

OUI prefix	0025F3
Vendor	Nordwestdeutsche Zählerrevision
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:25:F3:00:00:00

What this means

The IEEE assigned the MA-L block 0025F3 to Nordwestdeutsche Zählerrevision. 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 00:25:F3, it is Nordwestdeutsche Zählerrevision hardware.

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