What this means
The IEEE assigned the MA-L block D8B04C to Jinan USR IOT 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 D8:B0:4C, it is Jinan USR IOT Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D8B04C?
D8B04C is registered to Jinan USR IOT 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. Jinan USR IOT Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use D8B04C?
Any network device with a MAC address starting D8:B0:4C was manufactured by or for Jinan USR IOT Technology Co., Ltd..