What this means
The IEEE assigned the MA-L block 0022C2 to Proview Eletrônica do Brasil LTDA. 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 00:22:C2, it is Proview Eletrônica do Brasil LTDA hardware.
Frequently Asked Questions
Who owns MAC prefix 0022C2?
0022C2 is registered to Proview Eletrônica do Brasil LTDA 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. Proview Eletrônica do Brasil LTDA's block covers 16,777,216 addresses.
What devices use 0022C2?
Any network device with a MAC address starting 00:22:C2 was manufactured by or for Proview Eletrônica do Brasil LTDA.