Who owns MAC prefix 486B91?

486B91 is registered to Fleetwood Group Inc. in the IEEE MA-L registry.

What devices use 486B91?

Any network device with a MAC address starting 48:6B:91 was manufactured by or for Fleetwood Group Inc..

MA-L · OUI prefix

Fleetwood Group Inc.

Any MAC address starting 48:6B:91 is registered to Fleetwood Group Inc. in US.

OUI prefix	486B91
Vendor	Fleetwood Group Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	48:6B:91:00:00:00

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.

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