8C:1F:64:3D:6 Kyowakiden Industry Co.,Ltd.
Every MAC address from 8C:1F:64:3D:60:00 to 8C:1F:64:3D:6F:FF belongs to a block the IEEE assigned to Kyowakiden Industry Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:3D:6 belongs to
Written 8C:1F:64:3D:6, 8C-1F-64-3D-6 or 8C1F643D6, depending on the system. Look up a full address.
Prefix
8C:1F:64:3D:6/36
Organization
Kyowakiden Industry Co.,Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:3D:60:00
Last address
8C:1F:64:3D:6F:FF
Address type
Globally unique, unicast
Registered address
10-2 Kawaguchi-machi Nagasaki-shi Nagasaki JP 852-8108
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.