What this means
The IEEE assigned the MA-S block 8C1F647DA to Xpti Tecnologias em Segurança 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:64:7D:A, it is Xpti Tecnologias em Segurança Ltda hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F647DA?
8C1F647DA is registered to Xpti Tecnologias em Segurança 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. Xpti Tecnologias em Segurança Ltda's block covers 4,096 addresses.
What devices use 8C1F647DA?
Any network device with a MAC address starting 8C:1F:64:7D:A was manufactured by or for Xpti Tecnologias em Segurança Ltda.