What this means
The IEEE assigned the MA-L block 486B91 to Fleetwood Group Inc.. 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 48:6B:91, it is Fleetwood Group Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 486B91?
486B91 is registered to Fleetwood Group Inc. 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. Fleetwood Group Inc.'s block covers 16,777,216 addresses.
What devices use 486B91?
Any network device with a MAC address starting 48:6B:91 was manufactured by or for Fleetwood Group Inc..