What this means
The IEEE assigned the MA-L block 8C5CA1 to d-broad,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 8C:5C:A1, it is d-broad,INC hardware.
Frequently Asked Questions
Who owns MAC prefix 8C5CA1?
8C5CA1 is registered to d-broad,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. d-broad,INC's block covers 16,777,216 addresses.
What devices use 8C5CA1?
Any network device with a MAC address starting 8C:5C:A1 was manufactured by or for d-broad,INC.