MAC address ownership changes in 2009

231 ownership changes across 224 prefixes were first observed in 2009.

Changes
231
Prefixes
224
Addresses
3.9 billion
Prefix Previous organization New organization Observed
00:01:34SIG Positec Systems AGSelectron Systems AG23 Jun 2009
00:03:74Hunter WatertechControl Microsystems23 Jun 2009
00:03:FBToko Seiki Company, Ltd.ENEGATE Co.,Ltd.23 Jun 2009
00:04:1BDigital Interfaces Ltd.Bridgeworks Ltd.23 Jun 2009
00:04:48Polaroid Professional ImagingPolaroid Corporation23 Jun 2009
00:04:D5Hitachi Communication Systems, Inc.Hitachi Information & Communication Engineering, Ltd.23 Jun 2009
00:05:2FLeviton Voice and DataLeviton Network Solutions23 Jun 2009
00:06:2CNetwork Robots, Inc.Bivio Networks23 Jun 2009
00:06:58Helmut Fischer GmbH & Co. KGHelmut Fischer GmbH Institut für Elektronik und Messtechnik23 Jun 2009
00:07:7COnTime NetworksWestermo Teleindustri AB23 Jun 2009
00:08:72Sorenson Technologies, Inc.Sorenson Communications23 Jun 2009
00:08:D5Vanguard Managed SolutionsVanguard Networks Solutions, LLC23 Jun 2009
00:09:28Telecore IncTelecore23 Jun 2009
00:09:FBPhilips Medizinsysteme Boeblingen GmbHPhilips Patient Monitoring23 Jun 2009
00:0A:40Crown AudioCrown Audio -- Harmanm International23 Jun 2009
00:0A:F6Computer Process ControlsEmerson Climate Technologies Retail Solutions, Inc.23 Jun 2009
00:0B:1ATeltone CorporationIndustrial Defender, Inc.23 Jun 2009
00:0B:29LG Industrial Systems Co.,Ltd.LS(LG) Industrial Systems co.,Ltd23 Jun 2009
00:0C:6DBOC EdwardsEdwards Ltd.23 Jun 2009
00:0D:22UnitronicsUnitronics LTD23 Jun 2009
00:0D:3FVXI TechnologyVTI Instruments Corporation23 Jun 2009
00:0D:5ENEC CustomTechnica, Ltd.NEC Personal Products23 Jun 2009
00:0E:7EComprog OyionSign Oy23 Jun 2009
00:0E:91NavicoNavico Auckland Ltd23 Jun 2009
00:0E:A2CyberGuard CorporationSecure Computing Corporation23 Jun 2009
00:0E:B3LeftHand NetworksHewlett-Packard23 Jun 2009
00:0E:F4Shenzhen Kasda Digital Technology Co.,LtdKasda Digital Technology Co.,Ltd23 Jun 2009
00:0F:61Kiwi NetworksHewlett Packard23 Jun 2009
00:10:01Citel plcCitel23 Jun 2009
00:10:13KontronKontron America, Inc.23 Jun 2009
00:10:4ATHE PARVUC CORPORATIONThe Parvus Corporation23 Jun 2009
00:11:00RAM Industries, LLCSchneider Electric23 Jun 2009
00:11:2DGuys Without TiesiPulse Systems23 Jun 2009
00:11:5FIntellix Co., Ltd.ITX Security Co., Ltd.23 Jun 2009
00:11:83PSC Scanning, IncDatalogic Mobile, Inc.23 Jun 2009
00:11:C7RAYMARINE Group Ltd.Raymarine UK Ltd23 Jun 2009
00:12:C5V-Show Technology Co.LtdV-Show Technology (China) Co.,Ltd23 Jun 2009
00:13:AERadiance TechnologiesRadiance Technologies, Inc.23 Jun 2009
00:13:DEAdapt4Adapt4, LLC23 Jun 2009
00:14:5AElektrobit AGNeratec AG23 Jun 2009
00:14:D0BTI PhotonicsBTI Systems Inc.23 Jun 2009
00:15:25PTI Integrated Systems, Inc.Chamberlain Access Solutions23 Jun 2009
00:15:4EHirschmann Automation and Control GmbHIEC23 Jun 2009
00:15:5FGreenPeakGreenPeak Technologies23 Jun 2009
00:15:70Symbol TechnologiesSymbol TechnologiesWholly owned Subsidiary of Motorola23 Jun 2009
00:15:9ESaitek plcMad Catz Interactive Inc23 Jun 2009
00:15:A1SINTERS SASECA-SINTERS23 Jun 2009
00:15:BBSMA Technologie AGSMA Solar Technology AG23 Jun 2009
00:15:E2Wissenschaftliche Geraetebau Dr. Ing. H. Knauer GmbHDr.Ing. Herbert Knauer GmbH23 Jun 2009
00:16:A3TEAM ARTECHE, S.A.Ingeteam Transmission&Distribution, S.A.23 Jun 2009
00:16:F0Zermatt Systems, IncDell23 Jun 2009
00:17:38XIVInternational Business Machines23 Jun 2009
00:18:0AMeraki Networks, Inc.Meraki, Inc.23 Jun 2009
00:18:1AAVerMedia Technologies Inc.AVerMedia Information Inc.23 Jun 2009
00:18:65Siemens Medical Solutions Diagnostics Manufacturing LtdSiemens Healthcare Diagnostics Manufacturing Ltd23 Jun 2009
00:18:80MobilygenMaxim Integrated Circuits23 Jun 2009
00:19:99Fujitsu Siemens ComputersFujitsu Technology Solutions23 Jun 2009
00:19:E3Apple ComputersApple Computer Inc.23 Jun 2009
00:19:F9LambdaTDK-Lambda23 Jun 2009
00:1A:58Celectronic GmbHCCV Deutschland GmbH - Celectronic eHealth Div.23 Jun 2009
00:1A:D0Siemens Schweiz AGAlbis Technologies AG23 Jun 2009
00:1B:1BSiemens AG, A&D AS EWK PU1Siemens AG,23 Jun 2009
00:1B:63Apple Inc.Apple Computer Inc.23 Jun 2009
00:1B:6APowerwave UK LtdPowerwave Technologies Sweden AB23 Jun 2009
00:1B:85MAN Diesel A/SMAN Diesel SE23 Jun 2009
00:1B:B5Cherry GmbHZF Electronics GmbH23 Jun 2009
00:1B:D8DVTel, Inc.DVTel LTD23 Jun 2009
00:1C:73Arastra, Inc.Arista Networks, Inc.23 Jun 2009
00:1C:D5Zazzle Technologies, Inc.ZeeVee, Inc.23 Jun 2009
00:1D:21Alcad S.A.Alcad SL23 Jun 2009
00:1D:24DCSIAclara Power-Line Systems Inc.23 Jun 2009
00:1D:4FApple IncApple Computer Inc.23 Jun 2009
00:1D:53SHARP-ROXY CORP.(M) SDN. BHD.S&O Electronics (Malaysia) Sdn. Bhd.23 Jun 2009
00:1D:59CHEROKEE INTERNATIONALMitra Energy & Infrastructure23 Jun 2009
00:1D:ABSwissQualSwissQual License AG23 Jun 2009
00:1E:52Apple IncApple Computer Inc23 Jun 2009
00:1E:6CSpliced Networks LLCCarbon Mountain LLC23 Jun 2009
00:1E:8BHannet Telecom Co., Ltd.Infra Access Korea Co., Ltd.23 Jun 2009
00:20:3DNOVAR ELECTRONICS CORPORATIONHoneywell ECC23 Jun 2009
00:21:04Siemens Home and Office Communication Devices GmbH&Co. KGGigaset Communications GmbH23 Jun 2009
00:21:E3BusTek LLCSerialTek LLC23 Jun 2009
00:21:F3M31 SpASi14 SpA23 Jun 2009
00:22:8CSolar Verlag GmbHPhoton Europe GmbH23 Jun 2009
00:22:CEScientific Atlanta, Cisco SPVTGCisco, Service Provider Video Technology Group23 Jun 2009
00:30:0AAZTECH SYSTEMS LTD.AZTECH Electronics Pte Ltd23 Jun 2009
00:30:2FSmiths IndustriesGE Aviation System23 Jun 2009
00:30:8CADVANCED DIGITAL INFORMATIONQuantum Corporation23 Jun 2009
00:40:84HONEYWELL INC.HONEYWELL ACS23 Jun 2009
00:40:F7POLAROID MEDICAL IMAGING SYS.Polaroid Corporation23 Jun 2009
00:50:1AUISIQNIQinVision23 Jun 2009
00:50:40Matsushita Electric Works, Ltd.Panasonic Electric Works Co., Ltd.23 Jun 2009
00:50:65DENSEI-LAMBAD Co., Ltd.TDK-Lambda Corporation23 Jun 2009
00:50:6CG & L BEIJER ELECTRONICS ABBeijer Electronics Products AB23 Jun 2009
00:80:D9EMK ELEKTRONIKEMK Elektronik GmbH & Co. KG23 Jun 2009
00:90:25VISION SYSTEMS LTD. PTYBAE Systems Australia (Electronic Systems) Pty Ltd23 Jun 2009
00:A0:03STAEFA CONTROL SYSTEMSiemens Switzerland Ltd., I B T HVP23 Jun 2009
00:A0:37DATASCOPE CORPORATIONMindray DS USA, Inc.23 Jun 2009
00:A0:98NETWORK APPLIANCE CORP.NetApp23 Jun 2009
00:A0:EBEncore NetworksEncore Networks, Inc.23 Jun 2009
00:C0:29Nexans Deutschland AG - ANSNexans Deutschland GmbH - ANS23 Jun 2009
00:C0:59NIPPON DENSO CO., LTD.DENSO CORPORATION23 Jun 2009
00:C0:8FMATSUSHITA ELECTRIC WORKS, LTDPanasonic Electric Works Co., Ltd.23 Jun 2009
00:C0:B6Adaptec, Inc.Overland Storage, Inc.23 Jun 2009
00:C0:D5QUANCOM ELECTRONIC GMBHWerbeagentur Jürgen Siebert23 Jun 2009
00:D0:C8I/O CONSULTING A/SPrevas A/S23 Jun 2009
00:D0:CAIntrinsyc Software int'l, Inc.Intrinsyc Software International Inc.23 Jun 2009
00:E0:00FUJITSU, LTDFujitsu Limited23 Jun 2009
00:E0:07NETWORK ALCHEMY LTD.Avaya ECS Ltd23 Jun 2009
00:E0:11UNIDEN SAN DIEGO R&D CENTER, INC.Uniden Corporation23 Jun 2009
00:E0:47INFOCUS SYSTEMSInFocus Corporation23 Jun 2009
00:E0:9APOSITRON INDUSTRIES, INC.Positron Inc.23 Jun 2009
00:E0:DFKE KOMMUNIKATIONS-ELECTRONIKKEYMILE GmbH23 Jun 2009
08:00:46SONY CORPORATION LTD.Sony Corporation23 Jun 2009
00:11:DFArecont SystemsCurrent Energy1 Jul 2009
00:26:87corega K.K.ALLIED TELESIS, K.K1 Jul 2009
00:02:A3ABB Power AutomationABB Switzerland Ltd, Power Systems4 Jul 2009
00:60:36AUSTRIAN RESEARCH CENTER SEIBERSDORFAIT Austrian Institute of Technology GmbH4 Jul 2009
00:26:DAUMC Slovakia s.r.o.Universal Media Corporation /Slovakia/ s.r.o.18 Jul 2009
00:26:ECLegrand North America Home Systems DivisionLegrand Home Systems, Inc24 Jul 2009
00:26:EFTechnology Advancement GroupTechnology Advancement Group, Inc.24 Jul 2009
00:D0:7BCOMCAM INTERNATIONAL LTD.COMCAM INTERNATIONAL INC25 Jul 2009
00:06:CDKodak IL Ltd.Leaf Imaging Ltd.31 Jul 2009
00:06:ECM/A COM Private Radio System Inc.Harris Corporation31 Jul 2009
00:17:F3M/A-COM Wireless SystemsHarris Corparation31 Jul 2009
00:0C:BAJamexJamex, Inc.3 Aug 2009
00:07:39Motion Media Technology Ltd.Scott Group Austria Gmbh12 Aug 2009
AC:83:17Shenzhen Morlab Communications Technology Co., LtdShenzhen Furtunetel Communication Co., Ltd25 Aug 2009
00:06:7FRearden Steel TechnologiesDiego27 Aug 2009
00:15:FCStartco Engineering Ltd.Littelfuse Startco27 Aug 2009
00:06:7FDiegoDigeo, Inc.28 Aug 2009
00:1B:05Young Media Concepts GmbHYMC AG2 Sep 2009
00:06:FECelion Networks, Inc.Ambrado, Inc3 Sep 2009
00:20:87MEMOTEC COMMUNICATIONS CORP.MEMOTEC, INC.10 Sep 2009
00:40:0EMEMOTEC COMMUNICATIONS, INC.MEMOTEC, INC.10 Sep 2009
98:6D:C8TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL CORPORATIONTOSHIBA MITSUBISHI-ELECTRIC SYSTEMS CORPORATION10 Sep 2009
98:6D:C8TOSHIBA MITSUBISHI-ELECTRIC SYSTEMS CORPORATIONTOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION12 Sep 2009
00:07:39Scott Group Austria GmbhScotty Group Austria Gmbh22 Sep 2009
00:17:7CD-Link India LtdSmartlink Network Systems Limited10 Oct 2009
00:04:80Foundry Networks, Inc.Brocade Communications Systems, Inc24 Oct 2009
00:0C:DBFoundry NetworksBrocade Communications Systems, Inc24 Oct 2009
00:12:F2Foundry NetworksBrocade Communications Systems, Inc24 Oct 2009
00:1B:EDFoundry NetworksBrocade Communications Systems, Inc24 Oct 2009
00:24:38Foundry NetworksBrocade Communications Systems, Inc24 Oct 2009
00:E0:52FOUNDRY NETWORKS, INC.Brocade Communications Systems, Inc24 Oct 2009
00:0A:79corega K.K.Allied Telesis K.K. corega division27 Oct 2009
00:26:87ALLIED TELESIS, K.KALLIED TELESIS, K.K corega division.27 Oct 2009
B8:B1:C7BT&COM CO.,LTDBT&COM CO.,LTD31 Oct 2009
00:09:BCIntegrian, Inc.Digital Safety Technologies, Inc5 Nov 2009
00:16:EDIntegrian, Inc.Digital Safety Technologies, Inc5 Nov 2009
00:06:58Helmut Fischer GmbH Institut für Elektronik und MesstechnikHelmut Fischer GmbH Institut für Elektronik und Messtechnik7 Nov 2009
00:07:51m·u·t AGm·u·t AG7 Nov 2009
00:09:D8Fält Communications ABFält Communications AB7 Nov 2009
00:0B:61Friedrich Lütze GmbH &Co.Friedrich Lütze GmbH &Co.7 Nov 2009
00:0B:91Aglaia Gesellschaft für Bildverarbeitung und Kommunikation mAglaia Gesellschaft für Bildverarbeitung und Kommunikation m7 Nov 2009
00:0C:F2GAMESA EÓLICAGAMESA EÓLICA7 Nov 2009
00:0D:BAOcé Document Technologies GmbHOcé Document Technologies GmbH7 Nov 2009
00:0D:DDPROFÝLO TELRA ELEKTRONÝK SANAYÝ VE TÝCARET A.Þ.PROFÝLO TELRA ELEKTRONÝK SANAYÝ VE TÝCARET A.Þ.7 Nov 2009
00:0E:0DHESCH Schröder GmbHHESCH Schröder GmbH7 Nov 2009
00:0E:11BDT Büro- und Datentechnik GmbH & Co. KGBDT Büro- und Datentechnik GmbH & Co. KG7 Nov 2009
00:0E:93Milénio 3 Sistemas Electrónicos, Lda.Milénio 3 Sistemas Electrónicos, Lda.7 Nov 2009
00:11:7BBüchi Labortechnik AGBüchi Labortechnik AG7 Nov 2009
00:13:89Redes de Telefonía Móvil S.A.Redes de Telefonía Móvil S.A.7 Nov 2009
00:14:ADGassner Wiege- u. Meßtechnik GmbHGassner Wiege- u. Meßtechnik GmbH7 Nov 2009
00:15:34A BELTRÓNICA, Companhia de Comunicações, LdaA BELTRÓNICA, Companhia de Comunicações, Lda7 Nov 2009
00:15:3BEMH Elektrizitätszähler GmbH & CoKGEMH Elektrizitätszähler GmbH & CoKG7 Nov 2009
00:16:19La Factoría de Comunicaciones Aplicadas,S.L.La Factoría de Comunicaciones Aplicadas,S.L.7 Nov 2009
00:16:2FGeutebrück GmbHGeutebrück GmbH7 Nov 2009
00:18:2DArtec Group OÜArtec Group OÜ7 Nov 2009
00:18:C1Almitec Informática e Comércio Ltda.Almitec Informática e Comércio Ltda.7 Nov 2009
00:1A:90Trópico Sistemas e Telecomunicações da Amazônia LTDA.Trópico Sistemas e Telecomunicações da Amazônia LTDA.7 Nov 2009
00:1B:A1Åmic ABÅmic AB7 Nov 2009
00:1B:F5Tellink Sistemas de Telecomunicación S.L.Tellink Sistemas de Telecomunicación S.L.7 Nov 2009
00:1D:CBExéns Development OyExéns Development Oy7 Nov 2009
00:1D:EENEXTVISION SISTEMAS DIGITAIS DE TELEVISÃO LTDA.NEXTVISION SISTEMAS DIGITAIS DE TELEVISÃO LTDA.7 Nov 2009
00:1D:F7R. STAHL Schaltgeräte GmbHR. STAHL Schaltgeräte GmbH7 Nov 2009
00:1F:52UVT Unternehmensberatung für Verkehr und Technik GmbHUVT Unternehmensberatung für Verkehr und Technik GmbH7 Nov 2009
00:1F:53GEMAC Gesellschaft für Mikroelektronikanwendung Chemnitz mbHGEMAC Gesellschaft für Mikroelektronikanwendung Chemnitz mbH7 Nov 2009
00:1F:ECSynapse électroniqueSynapse électronique7 Nov 2009
00:22:02Excito Elektronik i Skåne ABExcito Elektronik i SkÃ¥ne AB7 Nov 2009
00:22:71Jäger Computergesteuerte Messtechnik GmbHJäger Computergesteuerte Messtechnik GmbH7 Nov 2009
00:22:D2All Earth Comércio de Eletrônicos LTDA.All Earth Comércio de Eletrônicos LTDA.7 Nov 2009
00:23:9FInstitut für PrüftechnikInstitut für Prüftechnik7 Nov 2009
00:25:7ACAMCO Produktions- und Vertriebs-GmbH für Beschallungs- und BeleuchtungsanlagenCAMCO Produktions- und Vertriebs-GmbH für Beschallungs- und Beleuchtungsanlagen7 Nov 2009
00:25:B2LFK-Lenkflugkörpersysteme GmbHLFK-Lenkflugkörpersysteme GmbH7 Nov 2009
00:25:F3Nordwestdeutsche ZählerrevisionNordwestdeutsche Zählerrevision7 Nov 2009
00:26:28companytec automação e controle ltdacompanytec automação e controle ltda7 Nov 2009
00:26:4FKrüger&Gothe GmbHKrüger&Gothe GmbH7 Nov 2009
00:26:7BGSI Helmholtzzentrum für Schwerionenforschung GmbHGSI Helmholtzzentrum für Schwerionenforschung GmbH7 Nov 2009
00:C0:D5Werbeagentur Jürgen SiebertWerbeagentur Jürgen Siebert7 Nov 2009
10:88:0FDARUMA TELECOMUNICAÇÕES E INFORMÁTICA S/ADARUMA TELECOMUNICAÇÕES E INFORMÁTICA S/A7 Nov 2009
90:6D:C8DLG Automação Industrial LtdaDLG Automação Industrial Ltda7 Nov 2009
94:2E:63FinsécurFinsécur7 Nov 2009
94:BA:31Visiontec da Amazônia Ltda.Visiontec da Amazônia Ltda.7 Nov 2009
EC:E9:F8Shenzhen Morlab Communications Technology Co., LtdGuang Zhou TRI-SUN Electronics Technology Co., Ltd7 Nov 2009
00:14:D1TRENDware International, Inc.TRENDnet13 Nov 2009
00:11:73Adtron CorporationSMART Modular Technologies18 Nov 2009
00:12:08Gantner Electronic GmbHGantner Instruments GmbH18 Nov 2009
00:16:50EYAL MICROWAVEHerley General Microwave Israel.24 Nov 2009
00:05:50Vcomms LimitedVcomms Connect Limited30 Nov 2009
00:23:55Kinco Electric (Shanghai) Ltd.Kinco Automation(Shanghai) Ltd.3 Dec 2009
A4:B1:EEH. ZANDER GmbH & Co. KGH. ZANDER GmbH & Co. KG3 Dec 2009
00:07:40Melco Inc.Buffalo, Inc4 Dec 2009
00:40:26MELCO, INC.Buffalo, Inc4 Dec 2009
00:0E:A2Secure Computing CorporationMcAfee, Inc5 Dec 2009
00:10:17MICOS GMBHBosch Access Systems GmbH5 Dec 2009
00:12:12PLUS Vision CorporationPLUS Corporation5 Dec 2009
00:15:E0Ericsson Mobile PlatformsST-Ericsson5 Dec 2009
00:04:3FElectronic Systems Technology, Inc.ESTeem Wireless Modems, Inc6 Dec 2009
00:10:F8TEXIO CORPORATIONNiikke Techno System Co. Ltd6 Dec 2009
00:25:15Neuf CegetelSFR6 Dec 2009
00:12:F5Prolificx LtdImarda New Zealand Limited7 Dec 2009
00:11:F3Gavitec AG- mobile digitNeoMedia Europe AG10 Dec 2009
00:13:16L-S-B GmbHL-S-B Broadcast Technologies GmbH10 Dec 2009
00:13:6AHach Ultra AnalyticsHach Lange SA10 Dec 2009
00:17:33neuf cegetelSFR10 Dec 2009
00:1A:63Elster Electricity, LLCElster Solutions, LLC,10 Dec 2009
00:25:50Mazu NetworksRiverbed Technology10 Dec 2009
00:C0:8ALAUTERBACH DATENTECHNIK GMBHLauterbach GmbH10 Dec 2009
00:13:33Baud Technology Inc.BaudTec Corporation11 Dec 2009
00:19:A2ORION TELE-EQUIPMENTS PVT LTDORDYN TECHNOLOGIES11 Dec 2009
00:1A:E4Liposonix Inc,Medicis Technologies Corporation11 Dec 2009
00:1D:23SENSUS METERING SYSTEMSSENSUS11 Dec 2009
00:07:B8American Predator Corp.Corvalent Corporation13 Dec 2009
00:12:94Eudyna Devices Inc.SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC16 Dec 2009
00:17:34LGC Wireless Inc.ADC Telecommunications21 Dec 2009
00:21:42ABS Control Systems dooAdvanced Control Systems doo21 Dec 2009
00:25:3ETelemetric CorporationSensus Metering Systems21 Dec 2009
00:06:44Digital Technologies CorporationNeix,Inc22 Dec 2009
00:24:EEAICTEK Co.,Ltd.Wynmax Inc.29 Dec 2009
00:40:D5SARTORIUS AGSartorius Mechatronics T&H GmbH29 Dec 2009
00:13:3DMicro Memory LLCMicro Memory Curtiss Wright Co30 Dec 2009

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.