What this means
The IEEE assigned the MA-L block F85C24 to Sonos 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 F8:5C:24, it is Sonos Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix F85C24?
F85C24 is registered to Sonos 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. Sonos Inc.'s block covers 16,777,216 addresses.
What devices use F85C24?
Any network device with a MAC address starting F8:5C:24 was manufactured by or for Sonos Inc..