What this means
The IEEE assigned the MA-S block 8C1F64B81 to Prolife Equipamentos Médicos 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:B8:1, it is Prolife Equipamentos Médicos Ltda. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64B81?
8C1F64B81 is registered to Prolife Equipamentos Médicos 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. Prolife Equipamentos Médicos Ltda.'s block covers 4,096 addresses.
What devices use 8C1F64B81?
Any network device with a MAC address starting 8C:1F:64:B8:1 was manufactured by or for Prolife Equipamentos Médicos Ltda..