0C:EF:AF:5 PREMIUM SA
Every MAC address from 0C:EF:AF:50:00:00 to 0C:EF:AF:5F:FF:FF belongs to a block the IEEE assigned to PREMIUM SA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 0C:EF:AF:5 belongs to
Written 0C:EF:AF:5, 0C-EF-AF-5 or 0CEFAF5, depending on the system. Look up a full address.
Prefix
0C:EF:AF:5/28
Organization
PREMIUM SA
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
0C:EF:AF:50:00:00
Last address
0C:EF:AF:5F:FF:FF
Address type
Globally unique, unicast
Registered address
C/ Dolors Aleu 19 2º 2º Hospitalet del Llobregat Barcelona ES 08908
Parent block
Inside 0C:EF:AF
This MA-M block is carved from the 24-bit block 0C:EF:AF, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.