MAC address 44:B1:76 history

Registration History

2 Events
Registration Timeline: Chronological audit trail of all corporate registrant adjustments, headquarters relocations, and registry revisions for prefix 44:B1:76.
05 June 2026
Current Active Address Updated
2026
Registrant Organization
Espressif Inc.
Vistra Corporate Services Centre, Wickhams Cay II, Road Town Tortola VG1110, VG
05 March 2026
Initial Registration
2026
Registrant Organization
Espressif Inc.
Room 204, Building 2, 690 Bibo Rd, Pudong New Area, Shanghai Shanghai 201203, CN

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/44b176 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "44B176",
  "company": "Espressif Inc.",
  "address": "Vistra Corporate Services Centre, Wickhams Cay II, Road Town Tortola VG1110, VG",
  "country": "VG",
  "blockStart": "44B176000000",
  "blockEnd": "44B176FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-06-05",
  "isRand": false,
  "isPrivate": false
}