What this means
The IEEE assigned the MA-S block 8C1F649FE to Metroval Controle de Fluidos 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 8C:1F:64:9F:E, it is Metroval Controle de Fluidos Ltda hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F649FE?
8C1F649FE is registered to Metroval Controle de Fluidos Ltda in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Metroval Controle de Fluidos Ltda's block covers 4,096 addresses.
What devices use 8C1F649FE?
Any network device with a MAC address starting 8C:1F:64:9F:E was manufactured by or for Metroval Controle de Fluidos Ltda.