MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:27:1B (Alec Sicherheitssysteme GmbH)
MAC address prefix 00:27:1B is registered to Alec Sicherheitssysteme GmbH, located at Friedrich-Hoelscher-Strasse 367, Dortmund 44328, 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 05 January 2010, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:27:1B
Registrant / Organization
Registry Chronology
Initial registration: 05 January 2010
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
Friedrich-Hoelscher-Strasse 367
Dortmund 44328
DE.
Dortmund 44328
DE.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/00271b -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "00271B",
"company": "Alec Sicherheitssysteme GmbH",
"address": "Friedrich-Hoelscher-Strasse 367, Dortmund 44328, DE",
"country": "DE",
"blockStart": "00271B000000",
"blockEnd": "00271BFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}