What this means
The IEEE assigned the MA-S block 8C1F6445D to Fuzhou Tucsen Photonics Co.,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:64:45:D, it is Fuzhou Tucsen Photonics Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F6445D?
8C1F6445D is registered to Fuzhou Tucsen Photonics Co.,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. Fuzhou Tucsen Photonics Co.,Ltd's block covers 4,096 addresses.
What devices use 8C1F6445D?
Any network device with a MAC address starting 8C:1F:64:45:D was manufactured by or for Fuzhou Tucsen Photonics Co.,Ltd.