MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:11:EF (Conitec Datensysteme GmbH)
MAC address prefix 00:11:EF is registered to Conitec Datensysteme GmbH, located at Dieselstraße 11c, Dieburg Hessen 64807, 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 24 July 2004, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:11:EF
Registrant / Organization
Registry Chronology
Initial registration: 24 July 2004
Last updated: 17 November 2015
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
Dieselstraße 11c
Dieburg Hessen 64807
DE.
Dieburg Hessen 64807
DE.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/0011ef -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "0011EF",
"company": "Conitec Datensysteme GmbH",
"address": "Dieselstraße 11c, Dieburg Hessen 64807, DE",
"country": "DE",
"blockStart": "0011EF000000",
"blockEnd": "0011EFFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}