What this means
The IEEE assigned the MA-L block 000FB9 to Adaptive Instruments. 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 00:0F:B9, it is Adaptive Instruments hardware.
Frequently Asked Questions
Who owns MAC prefix 000FB9?
000FB9 is registered to Adaptive Instruments 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. Adaptive Instruments's block covers 16,777,216 addresses.
What devices use 000FB9?
Any network device with a MAC address starting 00:0F:B9 was manufactured by or for Adaptive Instruments.