78:72:64:D QT systems ab
Every MAC address from 78:72:64:D0:00:00 to 78:72:64:DF:FF:FF belongs to a block the IEEE assigned to QT systems ab. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:72:64:D belongs to
Written 78:72:64:D, 78-72-64-D or 787264D, depending on the system. Look up a full address.
Prefix
78:72:64:D/28
Organization
QT systems ab
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:72:64:D0:00:00
Last address
78:72:64:DF:FF:FF
Address type
Globally unique, unicast
Registered address
Finnbacksgatan 11 Lycksele Västerbotten SE 921 32
Parent block
Inside 78:72:64
This MA-M block is carved from the 24-bit block 78:72:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.