8C:1F:64:22:6 Colossus Computing, Inc.
Every MAC address from 8C:1F:64:22:60:00 to 8C:1F:64:22:6F:FF belongs to a block the IEEE assigned to Colossus Computing, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:22:6 belongs to
Written 8C:1F:64:22:6, 8C-1F-64-22-6 or 8C1F64226, depending on the system. Look up a full address.
Prefix
8C:1F:64:22:6/36
Organization
Colossus Computing, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:22:60:00
Last address
8C:1F:64:22:6F:FF
Address type
Globally unique, unicast
Registered address
470 3rd st Oakland CA US 94607
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.