MAC address 04:9E:28 (EM Microelectronic)

MAC address prefix 04:9E:28 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 28 September 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
04:9E:28
Registrant / Organization
EM Microelectronic
Registry Chronology
Initial registration: 28 September 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/049e28 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "049E28",
  "company": "EM Microelectronic",
  "address": "Rue des Sors 3, Marin-Epagnier Neuchatel 2074, CH",
  "country": "CH",
  "blockStart": "049E28000000",
  "blockEnd": "049E28FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-09-28",
  "isRand": false,
  "isPrivate": false
}