Who owns MAC prefix 00255A?

00255A is registered to Tantalus Systems Corp. in the IEEE MA-L registry.

What devices use 00255A?

Any network device with a MAC address starting 00:25:5A was manufactured by or for Tantalus Systems Corp..

MA-L · OUI prefix

Tantalus Systems Corp.

Any MAC address starting 00:25:5A is registered to Tantalus Systems Corp..

OUI prefix	00255A
Vendor	Tantalus Systems Corp.
Registry	MA-L (24-bit, large block)
Example MAC	00:25:5A:00:00:00

What this means

The IEEE assigned the MA-L block 00255A to Tantalus Systems Corp.. 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 00:25:5A, it is Tantalus Systems Corp. hardware.

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