Who owns MAC prefix 00019A?

00019A is registered to LEUNIG GmbH in the IEEE MA-L registry.

What devices use 00019A?

Any network device with a MAC address starting 00:01:9A was manufactured by or for LEUNIG GmbH.

MA-L · OUI prefix

LEUNIG GmbH

Any MAC address starting 00:01:9A is registered to LEUNIG GmbH in DE.

OUI prefix	00019A
Vendor	LEUNIG GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:01:9A:00:00:00

What this means

The IEEE assigned the MA-L block 00019A to LEUNIG GmbH. 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 00:01:9A, it is LEUNIG GmbH hardware.

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