Who owns MAC prefix 001259?

001259 is registered to THERMO ELECTRON KARLSRUHE in the IEEE MA-L registry.

What devices use 001259?

Any network device with a MAC address starting 00:12:59 was manufactured by or for THERMO ELECTRON KARLSRUHE.

MA-L · OUI prefix

THERMO ELECTRON KARLSRUHE

Any MAC address starting 00:12:59 is registered to THERMO ELECTRON KARLSRUHE in DE.

OUI prefix	001259
Vendor	THERMO ELECTRON KARLSRUHE
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:12:59:00:00:00

What this means

The IEEE assigned the MA-L block 001259 to THERMO ELECTRON KARLSRUHE. 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 00:12:59, it is THERMO ELECTRON KARLSRUHE hardware.

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