What this means
The IEEE assigned the MA-L block 9CF61A to Carrier Fire & Security. 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 9C:F6:1A, it is Carrier Fire & Security hardware.
Frequently Asked Questions
Who owns MAC prefix 9CF61A?
9CF61A is registered to Carrier Fire & Security 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. Carrier Fire & Security's block covers 16,777,216 addresses.
What devices use 9CF61A?
Any network device with a MAC address starting 9C:F6:1A was manufactured by or for Carrier Fire & Security.