MAC address 04:7B:43:7 (ICsec S.A.)

MAC address prefix 04:7B:43:7 is registered to ICsec S.A., located at Wichrowa 1A, Poznan 60-446, PL. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 11 November 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
04:7B:43:7
Registrant / Organization
ICsec S.A.
Registry Chronology
Initial registration: 11 November 2026
Assignment Classification
MA-M

(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)

Registered Location

MAC Address Vendor Country Poland (PL) map
Country: Poland (PL)
Headquarters Registered Facility 🇵🇱 PL
Wichrowa 1A
Poznan 60-446
PL.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/047b437 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "047B437",
  "company": "ICsec S.A.",
  "address": "Wichrowa 1A, Poznan  60-446, PL",
  "country": "PL",
  "blockStart": "047B43700000",
  "blockEnd": "047B437FFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2026-11-11",
  "isRand": false,
  "isPrivate": false
}