What this means
The IEEE assigned the MA-L block 005063 to OY COMSEL SYSTEM 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 00:50:63, it is OY COMSEL SYSTEM AB hardware.
Frequently Asked Questions
Who owns MAC prefix 005063?
005063 is registered to OY COMSEL SYSTEM 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. OY COMSEL SYSTEM AB's block covers 16,777,216 addresses.
What devices use 005063?
Any network device with a MAC address starting 00:50:63 was manufactured by or for OY COMSEL SYSTEM AB.