What this means
The IEEE assigned the MA-L block 8C598B to C Technologies 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 8C:59:8B, it is C Technologies AB hardware.
Frequently Asked Questions
Who owns MAC prefix 8C598B?
8C598B is registered to C Technologies 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. C Technologies AB's block covers 16,777,216 addresses.
What devices use 8C598B?
Any network device with a MAC address starting 8C:59:8B was manufactured by or for C Technologies AB.