MAC address 40:A4:4A (Google, Inc.)

MAC address prefix 40:A4:4A is registered to Google, Inc., located at 1600 Amphitheatre Parkway, Mountain View CA 94043, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 20 October 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
40:A4:4A
Registrant / Organization
Google, Inc.
Registry Chronology
Initial registration: 20 October 2025
Assignment Classification
MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

MAC Address Vendor Country United States (US) map
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
1600 Amphitheatre Parkway
Mountain View CA 94043
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/40a44a -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "40A44A",
  "company": "Google, Inc.",
  "address": "1600 Amphitheatre Parkway, Mountain View CA 94043, US",
  "country": "US",
  "blockStart": "40A44A000000",
  "blockEnd": "40A44AFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-10-20",
  "isRand": false,
  "isPrivate": false
}