What this means
The IEEE assigned the MA-L block 101212 to Vivo International Corporation Pty Ltd. 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 10:12:12, it is Vivo International Corporation Pty Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 101212?
101212 is registered to Vivo International Corporation Pty Ltd 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. Vivo International Corporation Pty Ltd's block covers 16,777,216 addresses.
What devices use 101212?
Any network device with a MAC address starting 10:12:12 was manufactured by or for Vivo International Corporation Pty Ltd.