What this means
The IEEE assigned the MA-L block D8911D to Jiangsu Yuwell POCTech Biotechnology 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 D8:91:1D, it is Jiangsu Yuwell POCTech Biotechnology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D8911D?
D8911D is registered to Jiangsu Yuwell POCTech Biotechnology Co.,Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Jiangsu Yuwell POCTech Biotechnology Co.,Ltd's block covers 16,777,216 addresses.
What devices use D8911D?
Any network device with a MAC address starting D8:91:1D was manufactured by or for Jiangsu Yuwell POCTech Biotechnology Co.,Ltd.