MAC address 70:A8:A5 (Microsoft Corporation)

MAC address prefix 70:A8:A5 is registered to Microsoft Corporation, located at One Microsoft Way, REDMOND WA 98052, 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 21 November 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
70:A8:A5
Registrant / Organization
Microsoft Corporation
Registry Chronology
Initial registration: 21 November 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
One Microsoft Way
REDMOND WA 98052
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/70a8a5 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "70A8A5",
  "company": "Microsoft Corporation",
  "address": "One Microsoft Way, REDMOND WA 98052, US",
  "country": "US",
  "blockStart": "70A8A5000000",
  "blockEnd": "70A8A5FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-11-21",
  "isRand": false,
  "isPrivate": false
}