What this means
The IEEE assigned the MA-L block 182C91 to Concept Development, 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 18:2C:91, it is Concept Development, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 182C91?
182C91 is registered to Concept Development, 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. Concept Development, Inc.'s block covers 16,777,216 addresses.
What devices use 182C91?
Any network device with a MAC address starting 18:2C:91 was manufactured by or for Concept Development, Inc..