40:48:FD:5 The 52nd Research Institute of China Electronic Technology Group Corporation
Every MAC address from 40:48:FD:50:00:00 to 40:48:FD:5F:FF:FF belongs to a block the IEEE assigned to The 52nd Research Institute of China Electronic Technology Group Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:48:FD:5 belongs to
Written 40:48:FD:5, 40-48-FD-5 or 4048FD5, depending on the system. Look up a full address.
Prefix
40:48:FD:5/28
Organization
The 52nd Research Institute of China Electronic Technology Group Corporation
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
40:48:FD:50:00:00
Last address
40:48:FD:5F:FF:FF
Address type
Globally unique, unicast
Registered address
No.36 Ma Cheng Road, Hangzhou Zhejiang CN 310012
Parent block
Inside 40:48:FD
This MA-M block is carved from the 24-bit block 40:48:FD, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.