What this means
The IEEE assigned the MA-L block 000977 to Brunner Elektronik AG. 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 00:09:77, it is Brunner Elektronik AG hardware.
Frequently Asked Questions
Who owns MAC prefix 000977?
000977 is registered to Brunner Elektronik AG 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. Brunner Elektronik AG's block covers 16,777,216 addresses.
What devices use 000977?
Any network device with a MAC address starting 00:09:77 was manufactured by or for Brunner Elektronik AG.