What this means
The IEEE assigned the MA-S block 8C1F649CD to JiangYu Innovative Medical Technology. 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:64:9C:D, it is JiangYu Innovative Medical Technology hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F649CD?
8C1F649CD is registered to JiangYu Innovative Medical Technology 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. JiangYu Innovative Medical Technology's block covers 4,096 addresses.
What devices use 8C1F649CD?
Any network device with a MAC address starting 8C:1F:64:9C:D was manufactured by or for JiangYu Innovative Medical Technology.