64:FB:81:7 Securosys SA
Every MAC address from 64:FB:81:70:00:00 to 64:FB:81:7F:FF:FF belongs to a block the IEEE assigned to Securosys SA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 64:FB:81:7 belongs to
Written 64:FB:81:7, 64-FB-81-7 or 64FB817, depending on the system. Look up a full address.
Prefix
64:FB:81:7/28
Organization
Securosys SA
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
64:FB:81:70:00:00
Last address
64:FB:81:7F:FF:FF
Address type
Globally unique, unicast
Registered address
Technopark 1 Zürich ZH CH 8005
Parent block
Inside 64:FB:81
This MA-M block is carved from the 24-bit block 64:FB:81, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Securosys SA
1 more block registered under the same name.