What this means
The IEEE assigned the MA-L block 780C48 to Hong Kong Yihao Electronic Technology Co., Limited. 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 78:0C:48, it is Hong Kong Yihao Electronic Technology Co., Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 780C48?
780C48 is registered to Hong Kong Yihao Electronic Technology Co., Limited 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. Hong Kong Yihao Electronic Technology Co., Limited's block covers 16,777,216 addresses.
What devices use 780C48?
Any network device with a MAC address starting 78:0C:48 was manufactured by or for Hong Kong Yihao Electronic Technology Co., Limited.