What this means
The IEEE assigned the MA-S block 8C1F649AC to Hangzhou Jingtang Communication Technology 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:64:9A:C, it is Hangzhou Jingtang Communication Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F649AC?
8C1F649AC is registered to Hangzhou Jingtang Communication Technology 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. Hangzhou Jingtang Communication Technology Co.,Ltd.'s block covers 4,096 addresses.
What devices use 8C1F649AC?
Any network device with a MAC address starting 8C:1F:64:9A:C was manufactured by or for Hangzhou Jingtang Communication Technology Co.,Ltd..