MAC address 18:C3:E4:9 (38220)

MAC address prefix 18:C3:E4:9 is registered to 38220, located at C/ Mariano Barbacid, 5. 3ª planta, Rivas Vaciamadrid Madrid 28521, ES. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 18 February 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

18:C3:E4:9

Registrant / Organization

38220

Registry Chronology

Initial registration: 18 February 2026

Assignment Classification

MA-M

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

Registered Location

Country: Spain (ES)

Headquarters Registered Facility 🇪🇸 ES

C/ Mariano Barbacid
5. 3ª planta
Rivas Vaciamadrid Madrid 28521
ES.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/18c3e49 -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "18C3E49",
  "company": "38220",
  "address": "C/ Mariano Barbacid, 5. 3ª planta, Rivas Vaciamadrid Madrid 28521, ES",
  "country": "ES",
  "blockStart": "18C3E4900000",
  "blockEnd": "18C3E49FFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2026-02-18",
  "isRand": false,
  "isPrivate": false
}