MAC address 2C:91:EF (Golmar Sistemas de Comunicacion SA)

MAC address prefix 2C:91:EF is registered to Golmar Sistemas de Comunicacion SA, located at Silici 13, Cornella de Llobregat Barcelona 08940, ES. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 02 October 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

2C:91:EF

Registrant / Organization

Golmar Sistemas de Comunicacion SA

Registry Chronology

Initial registration: 02 October 2026

Assignment Classification

MA-L

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

Registered Location

Country: Spain (ES)

Headquarters Registered Facility 🇪🇸 ES

Silici 13
Cornella de Llobregat Barcelona 08940
ES.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/2c91ef -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "2C91EF",
  "company": "Golmar Sistemas de Comunicacion SA",
  "address": "Silici 13, Cornella de Llobregat Barcelona 08940, ES",
  "country": "ES",
  "blockStart": "2C91EF000000",
  "blockEnd": "2C91EFFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-10-02",
  "isRand": false,
  "isPrivate": false
}