MAC address A4:91:B1 (Vantiva Technologies Belgium)

MAC address prefix A4:91:B1 is registered to Vantiva Technologies Belgium, located at Prins Boudewijnlaan 47, Edegem - Belgium B-2650, BE. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 24 May 2017, with the most recent update made on 04 November 2025.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
A4:91:B1
Registrant / Organization
Vantiva Technologies Belgium
Registry Chronology
Initial registration: 24 May 2017
Last updated: 04 November 2025
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Belgium (BE) map
Country: Belgium (BE)
Headquarters Registered Facility 🇧🇪 BE
Prins Boudewijnlaan 47
Edegem - Belgium B-2650
BE.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/a491b1 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "A491B1",
  "company": "Vantiva Technologies Belgium",
  "address": "Prins Boudewijnlaan 47, Edegem - Belgium  B-2650, BE",
  "country": "BE",
  "blockStart": "A491B1000000",
  "blockEnd": "A491B1FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-11-04",
  "isRand": false,
  "isPrivate": false
}