Who owns MAC prefix 0025A1?

0025A1 is registered to Enalasys in the IEEE MA-L registry.

What devices use 0025A1?

Any network device with a MAC address starting 00:25:A1 was manufactured by or for Enalasys.

MA-L · OUI prefix

Enalasys

Any MAC address starting 00:25:A1 is registered to Enalasys in US.

OUI prefix	0025A1
Vendor	Enalasys
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:25:A1:00:00:00

What this means

The IEEE assigned the MA-L block 0025A1 to Enalasys. 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:A1, it is Enalasys hardware.

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