What this means
The IEEE assigned the MA-L block D436DB to Jiangsu Toppower Automotive Electronics 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 D4:36:DB, it is Jiangsu Toppower Automotive Electronics Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D436DB?
D436DB is registered to Jiangsu Toppower Automotive Electronics 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 Toppower Automotive Electronics Co., Ltd's block covers 16,777,216 addresses.
What devices use D436DB?
Any network device with a MAC address starting D4:36:DB was manufactured by or for Jiangsu Toppower Automotive Electronics Co., Ltd.