What this means
The IEEE assigned the MA-L block 346D9C to Carrier Corporation. 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 34:6D:9C, it is Carrier Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 346D9C?
346D9C is registered to Carrier Corporation 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 Corporation's block covers 16,777,216 addresses.
What devices use 346D9C?
Any network device with a MAC address starting 34:6D:9C was manufactured by or for Carrier Corporation.