MAC address 8C:1F:64:22:6 (Colossus Computing, Inc.)

MAC address prefix 8C:1F:64:22:6 is registered to Colossus Computing, Inc., located at 470 3rd st, Oakland CA 94607, US. This registration is classified as MA-S (MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12). The prefix was registered on 24 October 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
8C:1F:64:22:6
Registrant / Organization
Colossus Computing, Inc.
Registry Chronology
Initial registration: 24 October 2025
Assignment Classification
MA-S

(MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12)

Registered Location

MAC Address Vendor Country United States (US) map
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
470 3rd st
Oakland CA 94607
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/8c1f64226 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "8C1F64226",
  "company": "Colossus Computing, Inc.",
  "address": "470 3rd st, Oakland CA 94607, US",
  "country": "US",
  "blockStart": "8C1F64226000",
  "blockEnd": "8C1F64226FFF",
  "blockSize": 4095,
  "blockType": "MA-S",
  "updated": "2025-10-24",
  "isRand": false,
  "isPrivate": false
}