8C:1F:64:3D:7 Eiden Co.,Ltd.
Every MAC address from 8C:1F:64:3D:70:00 to 8C:1F:64:3D:7F:FF belongs to a block the IEEE assigned to Eiden Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:3D:7 belongs to
Written 8C:1F:64:3D:7, 8C-1F-64-3D-7 or 8C1F643D7, depending on the system. Look up a full address.
Prefix
8C:1F:64:3D:7/36
Organization
Eiden Co.,Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:3D:70:00
Last address
8C:1F:64:3D:7F:FF
Address type
Globally unique, unicast
Registered address
2-7-1 kurigi,asao-ku,kawasaki-shi kanagawa JP 215-0033
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.
Same organization
Other blocks assigned to Eiden Co.,Ltd.
2 more blocks registered under the same name.