MAC address D4:00:CA (AUMOVIO Systems Romania S.R.L.)

MAC address prefix D4:00:CA is registered to AUMOVIO Systems Romania S.R.L., located at Str. Salzburg Nr. 8, 550018, Sibiu Sibiu 550018, RO. 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 10 February 2025, with the most recent update made on 12 December 2025.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
D4:00:CA
Registrant / Organization
Registry Chronology
Initial registration: 10 February 2025
Last updated: 12 December 2025
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Romania (RO) map
Country: Romania (RO)
Headquarters Registered Facility 🇷🇴 RO
Str. Salzburg Nr. 8
550018
Sibiu Sibiu 550018
RO.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/d400ca -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "D400CA",
  "company": "AUMOVIO Systems Romania S.R.L.",
  "address": "Str. Salzburg Nr. 8, 550018, Sibiu Sibiu 550018, RO",
  "country": "RO",
  "blockStart": "D400CA000000",
  "blockEnd": "D400CAFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-12-12",
  "isRand": false,
  "isPrivate": false
}