78:72:64:3 Guangdong Hongqin Telecom Technology Co.,Ltd.
Every MAC address from 78:72:64:30:00:00 to 78:72:64:3F:FF:FF belongs to a block the IEEE assigned to Guangdong Hongqin Telecom Technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:72:64:3 belongs to
Written 78:72:64:3, 78-72-64-3 or 7872643, depending on the system. Look up a full address.
Prefix
78:72:64:3/28
Organization
Guangdong Hongqin Telecom Technology Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:72:64:30:00:00
Last address
78:72:64:3F:FF:FF
Address type
Globally unique, unicast
Registered address
10 Keyuan Road, Songshan Lake Dongguan Guangdong CN 523429
Parent block
Inside 78:72:64
This MA-M block is carved from the 24-bit block 78:72:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.