MAC address B4:56:F3 (Westermo Network Technologies AB)

MAC address prefix B4:56:F3 is registered to Westermo Network Technologies AB, located at Metallverksgatan 6, Vasteras 721 30, SE. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 26 September 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
B4:56:F3
Registrant / Organization
Registry Chronology
Initial registration: 26 September 2026
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Sweden (SE) map
Country: Sweden (SE)
Headquarters Registered Facility 🇸🇪 SE
Metallverksgatan 6
Vasteras 721 30
SE.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/b456f3 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "B456F3",
  "company": "Westermo Network Technologies AB",
  "address": "Metallverksgatan 6, Vasteras  721 30, SE",
  "country": "SE",
  "blockStart": "B456F3000000",
  "blockEnd": "B456F3FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-09-26",
  "isRand": false,
  "isPrivate": false
}