MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address E4:1E:33 (AUMOVIO Germany GmbH)
MAC address prefix E4:1E:33 is registered to AUMOVIO Germany GmbH, located at Heinrich-Hertz-Strasse 45, Villingen-Schwenningen 78052, DE. 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 29 May 2024, with the most recent update made on 12 December 2025.
Vendor & Registry Dossier
Assigned Prefix
E4:1E:33
Registrant / Organization
Registry Chronology
Initial registration: 29 May 2024
Last updated: 12 December 2025
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Germany (DE)
Headquarters Registered Facility 🇩🇪 DE
Heinrich-Hertz-Strasse 45
Villingen-Schwenningen 78052
DE.
Villingen-Schwenningen 78052
DE.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/e41e33 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "E41E33",
"company": "AUMOVIO Germany GmbH",
"address": "Heinrich-Hertz-Strasse 45, Villingen-Schwenningen 78052, DE",
"country": "DE",
"blockStart": "E41E33000000",
"blockEnd": "E41E33FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2025-12-12",
"isRand": false,
"isPrivate": false
}