78:CA:83:B Zhejiang Science Electronic Tech Co., Ltd
Every MAC address from 78:CA:83:B0:00:00 to 78:CA:83:BF:FF:FF belongs to a block the IEEE assigned to Zhejiang Science Electronic Tech Co., Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:CA:83:B belongs to
Written 78:CA:83:B, 78-CA-83-B or 78CA83B, depending on the system. Look up a full address.
Prefix
78:CA:83:B/28
Organization
Zhejiang Science Electronic Tech Co., Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:CA:83:B0:00:00
Last address
78:CA:83:BF:FF:FF
Address type
Globally unique, unicast
Registered address
F5, Huichuang Building ,No.88, Headquarters Business Garden Nanhu District, Jiaxing Zhejiang CN 314000
Parent block
Inside 78:CA:83
This MA-M block is carved from the 24-bit block 78:CA:83, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.