MAC address 00:A0:57 history

Registration History

7 Events
Registration Timeline: Chronological audit trail of all corporate registrant adjustments, headquarters relocations, and registry revisions for prefix 00:A0:57.
02 November 2026
Current Active Vendor Renamed
2026
Registrant Organization
Rohde & Schwarz Networks and Cybersecurity GmbH
Adenauer Straße 20 /B2, Würselen 52146, DE
17 November 2015
Address Updated
2015
Registrant Organization
LANCOM Systems GmbH
Adenauer Straße 20 /B2, Würselen 52146, DE
09 January 2013
Address Updated
2013
Registrant Organization
LANCOM Systems GmbH
Adenauer Straße 20 /B2, D-52070 AACHEN, Würselen 52146, GERMANY
05 October 2012
Address Updated
2012
Registrant Organization
LANCOM Systems GmbH
Adenauer Str.20 /B2, D-52070 AACHEN, Würselen 52146, GERMANY
05 January 2010
Address Updated
2010
Registrant Organization
LANCOM Systems GmbH
Adenauer Str.20 /B2, D-52070 AACHEN, Würselen 52146, GERMANY
14 October 2002
Vendor Renamed Address Updated
2002
Registrant Organization
LANCOM Systems GmbH
Adenauer Str.20 /B2, D-52070 AACHEN, W�rselen 52146, GERMANY
09 November 2000
Initial Registration
2000
Registrant Organization
ELSA AG
SONNENWEG 11, D-52070 AACHEN, GERMANY

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/00a057 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "00A057",
  "company": "Rohde & Schwarz Networks and Cybersecurity GmbH",
  "address": "Adenauer Straße 20 /B2, Würselen  52146, DE",
  "country": "DE",
  "blockStart": "00A057000000",
  "blockEnd": "00A057FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-11-02",
  "isRand": false,
  "isPrivate": false
}