What this means
The IEEE assigned the MA-L block 18188B to FCNT LLC. 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 18:18:8B, it is FCNT LLC hardware.
Frequently Asked Questions
Who owns MAC prefix 18188B?
18188B is registered to FCNT LLC 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. FCNT LLC's block covers 16,777,216 addresses.
What devices use 18188B?
Any network device with a MAC address starting 18:18:8B was manufactured by or for FCNT LLC.