What this means
The IEEE assigned the MA-L block 002581 to x-star networks Inc.. 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 00:25:81, it is x-star networks Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 002581?
002581 is registered to x-star networks Inc. 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. x-star networks Inc.'s block covers 16,777,216 addresses.
What devices use 002581?
Any network device with a MAC address starting 00:25:81 was manufactured by or for x-star networks Inc..