What this means
The IEEE assigned the MA-L block 00B78D to Nanjing Shining Electric Automation 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 00:B7:8D, it is Nanjing Shining Electric Automation Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 00B78D?
00B78D is registered to Nanjing Shining Electric Automation 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. Nanjing Shining Electric Automation Co., Ltd's block covers 16,777,216 addresses.
What devices use 00B78D?
Any network device with a MAC address starting 00:B7:8D was manufactured by or for Nanjing Shining Electric Automation Co., Ltd.