8C:1F:64:03:D HORIZON.INC
Every MAC address from 8C:1F:64:03:D0:00 to 8C:1F:64:03:DF:FF belongs to a block the IEEE assigned to HORIZON.INC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:03:D belongs to
Written 8C:1F:64:03:D, 8C-1F-64-03-D or 8C1F6403D, depending on the system. Look up a full address.
Prefix
8C:1F:64:03:D/36
Organization
HORIZON.INC
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:03:D0:00
Last address
8C:1F:64:03:DF:FF
Address type
Globally unique, unicast
Registered address
1600 Aza-Shironoshita Asahi Shin Asahi-cho Takashima, Shiga JP 520-1501
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 HORIZON.INC
4 more blocks registered under the same name.