00:1B:C5 IEEE Registration Authority
Every MAC address from 00:1B:C5:00:00:00 to 00:1B:C5:FF:FF:FF belongs to a block the IEEE assigned to IEEE Registration Authority. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5 belongs to
Written 00:1B:C5, 00-1B-C5 or 001BC5, depending on the system. Look up a full address.
Prefix
00:1B:C5
Organization
IEEE Registration Authority
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1B:C5:00:00:00
Last address
00:1B:C5:FF:FF:FF
Address type
Globally unique, unicast
Registered address
445 Hoes Lane Piscataway NJ US 08554
Sub-assignments
Smaller blocks inside 00:1B:C5
The IEEE splits this block into 201 smaller assignments.
00:1B:C5:00:0/36 Converging Systems Inc.00:1B:C5:00:1/36 OpenRB.com, Direct SIA00:1B:C5:00:2/36 GORAMO - Janusz Gorecki00:1B:C5:00:3/36 MicroSigns Technologies Inc00:1B:C5:00:4/36 Intellvisions Software Ltd00:1B:C5:00:5/36 Private00:1B:C5:00:6/36 TRIAX-HIRSCHMANN Multi-Media GmbH00:1B:C5:00:7/36 Energy Aware Technology00:1B:C5:00:8/36 Dalaj Electro-Telecom00:1B:C5:00:9/36 Solomon Systech Pte Ltd00:1B:C5:00:A/36 Mercury HMI Ltd00:1B:C5:00:B/36 Private00:1B:C5:00:C/36 Quantum Technology Sciences, Inc.00:1B:C5:00:D/36 Advanced Scientific Concepts, Inc.00:1B:C5:00:E/36 Vigor Electric Corp00:1B:C5:00:F/36 Simavita Pty Ltd00:1B:C5:01:0/36 Softel SA de CV00:1B:C5:01:1/36 OOO NPP Mera00:1B:C5:01:2/36 Tokyo Cosmos Electric, Inc.00:1B:C5:01:3/36 Zamir Recognition Systems Ltd.00:1B:C5:01:4/36 Private00:1B:C5:01:5/36 Corporate Systems Engineering00:1B:C5:01:6/36 Energotechnica OOO NPP Ltd00:1B:C5:01:7/36 cPacket Networks00:1B:C5:01:9/36 Dunlop Systems & Components00:1B:C5:01:A/36 ABA ELECTRONICS TECHNOLOGY CO.,LTD00:1B:C5:01:B/36 Commonwealth Scientific and Industrial…00:1B:C5:01:C/36 Coolit Systems, Inc.00:1B:C5:01:D/36 Rose + Herleth GbR00:1B:C5:01:E/36 Private00:1B:C5:01:F/36 Saturn Solutions Ltd00:1B:C5:02:0/36 Momentum Data Systems00:1B:C5:02:1/36 Openpeak, Inc00:1B:C5:02:2/36 CJSC STC SIMOS00:1B:C5:02:3/36 MAGO di Della Mora Walter00:1B:C5:02:4/36 ANNECY ELECTRONIQUE SAS00:1B:C5:02:5/36 andersen lighting GmbH00:1B:C5:02:6/36 DIMEP Sistemas00:1B:C5:02:7/36 CAMEA, spol. s r.o.00:1B:C5:02:8/36 STECHWIN.CO.LTD.00:1B:C5:02:9/36 2 FRANCE MARINE00:1B:C5:02:A/36 Analytical Instrument Systems, Inc.00:1B:C5:02:B/36 Saturn South Pty Ltd00:1B:C5:02:C/36 Care Everywhere LLC00:1B:C5:02:D/36 DDTRONIK Dariusz Dowgiert00:1B:C5:02:E/36 BETTINI SRL00:1B:C5:02:F/36 Fibrain Co. Ltd.00:1B:C5:03:0/36 OctoGate IT Security Systems GmbH00:1B:C5:03:1/36 ADIXEIN LIMITED00:1B:C5:03:2/36 Osborne Coinage Co00:1B:C5:03:3/36 JE Suunnittelu Oy00:1B:C5:03:4/36 InterCEL Pty Ltd00:1B:C5:03:5/36 RTLS Ltd.00:1B:C5:03:6/36 LOMAR SRL00:1B:C5:03:7/36 ITW Reyflex North America00:1B:C5:03:8/36 SEED International Ltd.00:1B:C5:03:9/36 EURESYS S.A.00:1B:C5:03:A/36 MindMade Sp. z o.o.00:1B:C5:03:B/36 Promixis, LLC00:1B:C5:03:C/36 Xiphos Systems Corp.00:1B:C5:03:D/36 rioxo GmbH00:1B:C5:03:E/36 Daylight Solutions, Inc00:1B:C5:03:F/36 ELTRADE Ltd00:1B:C5:04:0/36 OOO Actidata00:1B:C5:04:1/36 DesignA Electronics Limited00:1B:C5:04:2/36 Chamsys Ltd00:1B:C5:04:3/36 Coincident, Inc.00:1B:C5:04:4/36 ZAO "RADIUS Avtomatika"00:1B:C5:04:5/36 Marvel Digital International Limited00:1B:C5:04:6/36 GÉANT00:1B:C5:04:7/36 PT. Amanindo Nusapadu00:1B:C5:04:8/36 XPossible Technologies Pte Ltd00:1B:C5:04:9/36 EUROCONTROL S.p.A.00:1B:C5:04:A/36 Certis Technology International Pte Ltd00:1B:C5:04:B/36 Silicon Controls00:1B:C5:04:C/36 Rhino Controls Ltd.00:1B:C5:04:D/36 eiraku electric corp.00:1B:C5:04:E/36 Mitsubishi Electric India PVT. LTD00:1B:C5:04:F/36 Orbital Systems, Ltd.00:1B:C5:05:0/36 TeliSwitch Solutions00:1B:C5:05:1/36 QQ Navigation AB00:1B:C5:05:2/36 Engineering Center ENERGOSERVICE00:1B:C5:05:3/36 Metrycom Communications Ltd00:1B:C5:05:4/36 Private00:1B:C5:05:5/36 LUMIPLAN TRANSPORT00:1B:C5:05:6/36 ThinKom Solutions, Inc00:1B:C5:05:7/36 EREE Electronique00:1B:C5:05:8/36 optiMEAS GmbH00:1B:C5:05:9/36 INPIXAL00:1B:C5:05:A/36 POSTEC DATA SYSTEMS00:1B:C5:05:B/36 konzeptpark GmbH00:1B:C5:05:C/36 Suretrak Global Pty Ltd00:1B:C5:05:D/36 JSC Prominform00:1B:C5:05:E/36 Ecomed-Complex00:1B:C5:05:F/36 Klingenthaler Musikelektronik GmbH00:1B:C5:06:0/36 ENSTECH00:1B:C5:06:1/36 Scientific-Technical Center "Epsilon"…00:1B:C5:06:2/36 Sulaon Oy00:1B:C5:06:3/36 Check-It Solutions Inc00:1B:C5:06:4/36 Enkora Oy Ltd00:1B:C5:06:5/36 Plair Media Inc.00:1B:C5:06:6/36 Manufacturas y transformados AB00:1B:C5:06:7/36 Embit srl00:1B:C5:06:8/36 HCS KABLOLAMA SISTEMLERI SAN. ve…00:1B:C5:06:9/36 Datasat Digital Entertainment00:1B:C5:06:A/36 IST GmbH00:1B:C5:06:B/36 Verified Energy, LLC.00:1B:C5:06:C/36 Luxcon System Limited00:1B:C5:06:D/36 TES Electronic Solutions (I) Pvt. Ltd.00:1B:C5:06:E/36 Two Dimensional Instruments, LLC00:1B:C5:06:F/36 LLC Emzior00:1B:C5:07:0/36 Siemens Industries, Inc, Retail &…00:1B:C5:07:1/36 Center for E-Commerce Infrastructure…00:1B:C5:07:2/36 Ohio Semitronics, Inc.00:1B:C5:07:3/36 tado GmbH00:1B:C5:07:4/36 Dynasthetics00:1B:C5:07:5/36 Kitron GmbH00:1B:C5:07:6/36 PLAiR Media, Inc00:1B:C5:07:7/36 Momentum Data Systems00:1B:C5:07:8/36 Donbass Soft Ltd and Co.KG00:1B:C5:07:9/36 HPI High Pressure Instrumentation GmbH00:1B:C5:07:A/36 Servicios Electronicos Industriales…00:1B:C5:07:B/36 QCORE Medical00:1B:C5:07:C/36 head00:1B:C5:07:D/36 Greatcom AG00:1B:C5:07:E/36 Bio Molecular System Pty Ltd00:1B:C5:07:F/36 Hitechlab Inc00:1B:C5:08:0/36 LUMINO GmbH00:1B:C5:08:1/36 WonATech Co., Ltd.00:1B:C5:08:2/36 TGS Geophysical Company (UK) Limited00:1B:C5:08:3/36 DIWEL00:1B:C5:08:4/36 Applied Innovations Research LLC00:1B:C5:08:5/36 Oberon microsystems, Inc.00:1B:C5:08:6/36 CAST Group of Companies Inc.00:1B:C5:08:7/36 Onnet Technologies and Innovations LLC00:1B:C5:08:8/36 UAB Kitron00:1B:C5:08:9/36 SIGNATURE CONTROL SYSTEMS, INC.00:1B:C5:08:A/36 Topicon00:1B:C5:08:B/36 Nistica00:1B:C5:08:C/36 Triax A/S00:1B:C5:08:D/36 EUREK SRL00:1B:C5:08:E/36 TrendPoint Systems00:1B:C5:08:F/36 Unilever R&D00:1B:C5:09:0/36 Seven Solutions S.L00:1B:C5:09:1/36 3green ApS00:1B:C5:09:2/36 Arnouse Digital Devices, Corp.00:1B:C5:09:3/36 Ambient Devices, Inc.00:1B:C5:09:4/36 reelyActive00:1B:C5:09:5/36 PREVAC sp. z o.o.00:1B:C5:09:6/36 Sanstreak Corp.00:1B:C5:09:7/36 Plexstar Inc.00:1B:C5:09:8/36 Cubic Systems, Inc.00:1B:C5:09:9/36 UAB Kitron00:1B:C5:09:A/36 Shenzhen Guang Lian Zhi Tong Limited00:1B:C5:09:B/36 YIK Corporation00:1B:C5:09:C/36 MECCALTE SPA00:1B:C5:09:D/36 Navitar Inc00:1B:C5:09:E/36 K+K Messtechnik GmbH00:1B:C5:09:F/36 ENTE Sp. z o.o.00:1B:C5:0A:0/36 Silvair00:1B:C5:0A:1/36 Hangzhou Zhiping Technology Co., Ltd.00:1B:C5:0A:2/36 Hettich Benelux00:1B:C5:0A:3/36 P A Network Laboratory Co.,Ltd00:1B:C5:0A:4/36 RADMOR S.A.00:1B:C5:0A:5/36 Tesla Controls00:1B:C5:0A:6/36 Balter Security GmbH00:1B:C5:0A:7/36 L.G.L. Electronics S.p.a.00:1B:C5:0A:8/36 Link Precision00:1B:C5:0A:9/36 Elektrometal SA00:1B:C5:0A:A/36 Senceive Ltd00:1B:C5:0A:B/36 Evondos Oy00:1B:C5:0A:C/36 AVnu Alliance00:1B:C5:0A:D/36 Tierra Japan Co.,Ltd00:1B:C5:0A:E/36 Techlan Reti s.r.l.00:1B:C5:0A:F/36 Enerwise Solutions Ltd.00:1B:C5:0B:0/36 J-D.COM00:1B:C5:0B:1/36 Roslen Eco-Networking Products00:1B:C5:0B:2/36 SKODA ELECTRIC a.s.00:1B:C5:0B:3/36 FSM Solutions Limited00:1B:C5:0B:4/36 COBAN SRL00:1B:C5:0B:5/36 Exibea AB00:1B:C5:0B:6/36 VEILUX INC.00:1B:C5:0B:7/36 Autelis, LLC00:1B:C5:0B:8/36 Private00:1B:C5:0B:9/36 Denki Kogyo Company, Limited00:1B:C5:0B:A/36 NT MICROSYSTEMS00:1B:C5:0B:B/36 Triax A/S00:1B:C5:0B:C/36 kuwatec, Inc.00:1B:C5:0B:D/36 Bridge Diagnostics, Inc.00:1B:C5:0B:E/36 YESpay International Ltd00:1B:C5:0B:F/36 TN Core Co.,Ltd.00:1B:C5:0C:0/36 Digital Loggers, Inc.00:1B:C5:0C:1/36 EREE Electronique00:1B:C5:0C:2/36 TechSolutions A/S00:1B:C5:0C:3/36 inomatic GmbH00:1B:C5:0C:4/36 ELDES00:1B:C5:0C:5/36 Gill Instruments Ltd00:1B:C5:0C:6/36 CyanConnode00:1B:C5:0C:7/36 WIZZILAB SAS00:1B:C5:0C:8/36 Dialine00:1B:C5:0C:9/36 UAB Kitron
Same organization
Other blocks assigned to IEEE Registration Authority
438 more blocks registered under the same name, the first 300 shown.
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