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