What this means
The IEEE assigned the MA-L block 000CB7 to Nanjing Huazhuo 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 00:0C:B7, it is Nanjing Huazhuo Electronics Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 000CB7?
000CB7 is registered to Nanjing Huazhuo 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. Nanjing Huazhuo Electronics Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 000CB7?
Any network device with a MAC address starting 00:0C:B7 was manufactured by or for Nanjing Huazhuo Electronics Co., Ltd..