What this means
The IEEE assigned the MA-L block 0006C9 to Technical Marketing Research, 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 00:06:C9, it is Technical Marketing Research, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0006C9?
0006C9 is registered to Technical Marketing Research, 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. Technical Marketing Research, Inc.'s block covers 16,777,216 addresses.
What devices use 0006C9?
Any network device with a MAC address starting 00:06:C9 was manufactured by or for Technical Marketing Research, Inc..