What this means
The IEEE assigned the MA-L block 34D772 to Xiamen Yudian Automation 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 34:D7:72, it is Xiamen Yudian Automation Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 34D772?
34D772 is registered to Xiamen Yudian Automation 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. Xiamen Yudian Automation Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 34D772?
Any network device with a MAC address starting 34:D7:72 was manufactured by or for Xiamen Yudian Automation Technology Co., Ltd.