What this means
The IEEE assigned the MA-L block 141A51 to Treetech Sistemas Digitais. 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 14:1A:51, it is Treetech Sistemas Digitais hardware.
Frequently Asked Questions
Who owns MAC prefix 141A51?
141A51 is registered to Treetech Sistemas Digitais 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. Treetech Sistemas Digitais's block covers 16,777,216 addresses.
What devices use 141A51?
Any network device with a MAC address starting 14:1A:51 was manufactured by or for Treetech Sistemas Digitais.