What this means
The IEEE assigned the MA-L block 582F42 to Universal Electric Corporation. 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 58:2F:42, it is Universal Electric Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 582F42?
582F42 is registered to Universal Electric Corporation 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. Universal Electric Corporation's block covers 16,777,216 addresses.
What devices use 582F42?
Any network device with a MAC address starting 58:2F:42 was manufactured by or for Universal Electric Corporation.