What this means
The IEEE assigned the MA-L block 0025DA to Secura Key. 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:DA, it is Secura Key hardware.
Frequently Asked Questions
Who owns MAC prefix 0025DA?
0025DA is registered to Secura Key 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. Secura Key's block covers 16,777,216 addresses.
What devices use 0025DA?
Any network device with a MAC address starting 00:25:DA was manufactured by or for Secura Key.