Who owns MAC prefix 00251D?

00251D is registered to DSA Encore, LLC in the IEEE MA-L registry.

What devices use 00251D?

Any network device with a MAC address starting 00:25:1D was manufactured by or for DSA Encore, LLC.

MA-L · OUI prefix

DSA Encore, LLC

Any MAC address starting 00:25:1D is registered to DSA Encore, LLC in US.

OUI prefix	00251D
Vendor	DSA Encore, LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:25:1D:00:00:00

What this means

The IEEE assigned the MA-L block 00251D to DSA Encore, LLC. 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 00:25:1D, it is DSA Encore, LLC hardware.

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