What this means
The IEEE assigned the MA-S block 8C1F6440C to Sichuan Aiyijan Technology Company 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:64:40:C, it is Sichuan Aiyijan Technology Company Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F6440C?
8C1F6440C is registered to Sichuan Aiyijan Technology Company 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. Sichuan Aiyijan Technology Company Ltd.'s block covers 4,096 addresses.
What devices use 8C1F6440C?
Any network device with a MAC address starting 8C:1F:64:40:C was manufactured by or for Sichuan Aiyijan Technology Company Ltd..