8C:1F:64:67:7 FREY S.J.
Every MAC address from 8C:1F:64:67:70:00 to 8C:1F:64:67:7F:FF belongs to a block the IEEE assigned to FREY S.J.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:67:7 belongs to
Written 8C:1F:64:67:7, 8C-1F-64-67-7 or 8C1F64677, depending on the system. Look up a full address.
Prefix
8C:1F:64:67:7/36
Organization
FREY S.J.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:67:70:00
Last address
8C:1F:64:67:7F:FF
Address type
Globally unique, unicast
Registered address
Wo?odyjowskiego 38 Piaseczno PL 05-502
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.