50:DE:19:B BRAINWARE TERAHERTA INFORMATION TECHNOLOGY CO.,LTD.
Every MAC address from 50:DE:19:B0:00:00 to 50:DE:19:BF:FF:FF belongs to a block the IEEE assigned to BRAINWARE TERAHERTA INFORMATION TECHNOLOGY CO.,LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:DE:19:B belongs to
Written 50:DE:19:B, 50-DE-19-B or 50DE19B, depending on the system. Look up a full address.
Prefix
50:DE:19:B/28
Organization
BRAINWARE TERAHERTA INFORMATION TECHNOLOGY CO.,LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:DE:19:B0:00:00
Last address
50:DE:19:BF:FF:FF
Address type
Globally unique, unicast
Registered address
F3 and F4 of Innovation Industrial Park Phase II in Hefei High-tech Zone Hefei Anhui CN 230000
Parent block
Inside 50:DE:19
This MA-M block is carved from the 24-bit block 50:DE:19, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.