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.
Frequently Asked Questions
Who owns MAC prefix 00251D?
00251D is registered to DSA Encore, LLC in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. DSA Encore, LLC's block covers 16,777,216 addresses.
What devices use 00251D?
Any network device with a MAC address starting 00:25:1D was manufactured by or for DSA Encore, LLC.