What this means
The IEEE assigned the MA-S block 8C1F64A72 to First Design System Inc.. 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:A7:2, it is First Design System Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64A72?
8C1F64A72 is registered to First Design System Inc. 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. First Design System Inc.'s block covers 4,096 addresses.
What devices use 8C1F64A72?
Any network device with a MAC address starting 8C:1F:64:A7:2 was manufactured by or for First Design System Inc..