What this means
The IEEE assigned the MA-L block 308B23 to Annapurna labs. 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 30:8B:23, it is Annapurna labs hardware.
Frequently Asked Questions
Who owns MAC prefix 308B23?
308B23 is registered to Annapurna labs 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. Annapurna labs's block covers 16,777,216 addresses.
What devices use 308B23?
Any network device with a MAC address starting 30:8B:23 was manufactured by or for Annapurna labs.