What this means
The IEEE assigned the MA-L block D44C9C to Shenzhen YOOBAO 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 D4:4C:9C, it is Shenzhen YOOBAO Technology Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D44C9C?
D44C9C is registered to Shenzhen YOOBAO Technology 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. Shenzhen YOOBAO Technology Co.Ltd's block covers 16,777,216 addresses.
What devices use D44C9C?
Any network device with a MAC address starting D4:4C:9C was manufactured by or for Shenzhen YOOBAO Technology Co.Ltd.