8C:1F:64:03:C Sona Business B.V.
Every MAC address from 8C:1F:64:03:C0:00 to 8C:1F:64:03:CF:FF belongs to a block the IEEE assigned to Sona Business B.V.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:03:C belongs to
Written 8C:1F:64:03:C, 8C-1F-64-03-C or 8C1F6403C, depending on the system. Look up a full address.
Prefix
8C:1F:64:03:C/36
Organization
Sona Business B.V.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:03:C0:00
Last address
8C:1F:64:03:CF:FF
Address type
Globally unique, unicast
Registered address
Van Nelleweg 1 Rotterdam South Holland NL 3044BC
Parent block
Inside 8C:1F:64
This MA-S block is carved from the 24-bit block 8C:1F:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.