What this means
The IEEE assigned the MA-L block 2C641F to Vizio, 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 2C:64:1F, it is Vizio, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 2C641F?
2C641F is registered to Vizio, 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. Vizio, Inc's block covers 16,777,216 addresses.
What devices use 2C641F?
Any network device with a MAC address starting 2C:64:1F was manufactured by or for Vizio, Inc.