40:11:75:A BWT Tianjin Ltd.
Every MAC address from 40:11:75:A0:00:00 to 40:11:75:AF:FF:FF belongs to a block the IEEE assigned to BWT Tianjin Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:11:75:A belongs to
Written 40:11:75:A, 40-11-75-A or 401175A, depending on the system. Look up a full address.
Prefix
40:11:75:A/28
Organization
BWT Tianjin Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
40:11:75:A0:00:00
Last address
40:11:75:AF:FF:FF
Address type
Globally unique, unicast
Registered address
1st Floor ,C Block,NO.225,Jinger Road ,Konggang Economic District,Tianjin 300308 ,China Tianjin CN 300000
Parent block
Inside 40:11:75
This MA-M block is carved from the 24-bit block 40:11:75, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.