40:45:DA Spreadtrum Communications (Shanghai) Co., Ltd.
Every MAC address from 40:45:DA:00:00:00 to 40:45:DA:FF:FF:FF belongs to a block the IEEE assigned to Spreadtrum Communications (Shanghai) Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:45:DA belongs to
Written 40:45:DA, 40-45-DA or 4045DA, depending on the system. Look up a full address.
Prefix
40:45:DA
Organization
Spreadtrum Communications (Shanghai) Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:45:DA:00:00:00
Last address
40:45:DA:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Building 1, Spreadtrum Center, No.2288, Zuchongzhi Rd Shanghai 201203