64:FB:81:8 NPG Technology S.A.
Every MAC address from 64:FB:81:80:00:00 to 64:FB:81:8F:FF:FF belongs to a block the IEEE assigned to NPG Technology S.A.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 64:FB:81:8 belongs to
Written 64:FB:81:8, 64-FB-81-8 or 64FB818, depending on the system. Look up a full address.
Prefix
64:FB:81:8/28
Organization
NPG Technology S.A.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
64:FB:81:80:00:00
Last address
64:FB:81:8F:FF:FF
Address type
Globally unique, unicast
Registered address
C/ Ecuador 14 (P.I. Las Monjas) Torrejón de Ardoz Madrid ES 28850
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.