What this means
The IEEE assigned the MA-L block DC64B8 to Shenzhen JingHanDa 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 DC:64:B8, it is Shenzhen JingHanDa Electronics Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix DC64B8?
DC64B8 is registered to Shenzhen JingHanDa 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. Shenzhen JingHanDa Electronics Co.Ltd's block covers 16,777,216 addresses.
What devices use DC64B8?
Any network device with a MAC address starting DC:64:B8 was manufactured by or for Shenzhen JingHanDa Electronics Co.Ltd.