What this means
The IEEE assigned the MA-L block FCB948 to McScience 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 FC:B9:48, it is McScience Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix FCB948?
FCB948 is registered to McScience 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. McScience Inc.'s block covers 16,777,216 addresses.
What devices use FCB948?
Any network device with a MAC address starting FC:B9:48 was manufactured by or for McScience Inc..