What this means
The IEEE assigned the MA-S block 8C1F6436F to SP MANUFACTURING PTE LTD. 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:64:36:F, it is SP MANUFACTURING PTE LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F6436F?
8C1F6436F is registered to SP MANUFACTURING PTE LTD 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. SP MANUFACTURING PTE LTD's block covers 4,096 addresses.
What devices use 8C1F6436F?
Any network device with a MAC address starting 8C:1F:64:36:F was manufactured by or for SP MANUFACTURING PTE LTD.