What this means
The IEEE assigned the MA-S block 8C1F641DD to Beijing Shengtongnaan Technology Development 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:64:1D:D, it is Beijing Shengtongnaan Technology Development Co ., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F641DD?
8C1F641DD is registered to Beijing Shengtongnaan Technology Development 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. Beijing Shengtongnaan Technology Development Co ., Ltd's block covers 4,096 addresses.
What devices use 8C1F641DD?
Any network device with a MAC address starting 8C:1F:64:1D:D was manufactured by or for Beijing Shengtongnaan Technology Development Co ., Ltd.