What this means
The IEEE assigned the MA-L block 002551 to SE-Elektronic 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 00:25:51, it is SE-Elektronic GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 002551?
002551 is registered to SE-Elektronic GmbH 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. SE-Elektronic GmbH's block covers 16,777,216 addresses.
What devices use 002551?
Any network device with a MAC address starting 00:25:51 was manufactured by or for SE-Elektronic GmbH.