8C:1F:64:0A:4 Dynamic Research, Inc.
Every MAC address from 8C:1F:64:0A:40:00 to 8C:1F:64:0A:4F:FF belongs to a block the IEEE assigned to Dynamic Research, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:0A:4 belongs to
Written 8C:1F:64:0A:4, 8C-1F-64-0A-4 or 8C1F640A4, depending on the system. Look up a full address.
Prefix
8C:1F:64:0A:4/36
Organization
Dynamic Research, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:0A:40:00
Last address
8C:1F:64:0A:4F:FF
Address type
Globally unique, unicast
Registered address
355 Van Ness Ave ste.200 Torrance CA US 90501
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.