MAC address 44:45:20 (EM Microelectronic)

MAC address prefix 44:45:20 is registered to EM Microelectronic, located at Rue des Sors 3, Marin-Epagnier Neuchatel 2074, CH. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 13 April 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
44:45:20
Registrant / Organization
EM Microelectronic
Registry Chronology
Initial registration: 13 April 2026
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Switzerland (CH) map
Country: Switzerland (CH)
Headquarters Registered Facility 🇨🇭 CH
Rue des Sors 3
Marin-Epagnier Neuchatel 2074
CH.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/444520 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "444520",
  "company": "EM Microelectronic",
  "address": "Rue des Sors 3, Marin-Epagnier Neuchatel 2074, CH",
  "country": "CH",
  "blockStart": "444520000000",
  "blockEnd": "444520FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-04-13",
  "isRand": false,
  "isPrivate": false
}