MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

Lexical Index Router • 27 Segments Total

Alphabetical prefix navigation

Index Category: Segment O Block Range: [O]

Vendor Directory — O-Names

Browse hardware manufacturers, telecommunications providers, and registered OUI blockholders starting with O. Showing 301 to 350 of 736 registered vendor entities.

Search Vendor MAC Generator

Vendors in O-Group

736

Verified registry entries

Page Prefixes

60 MA-L / M / S

Allocated blocks on page

Top Jurisdictions

🇷🇺 RU (50%) 25 entities

🇺🇸 US (26%) 13 entities

🇩🇪 DE (6%) 3 entities

Earliest Allocation

1998-04-22 28y in service

OOmon Inc.

Vendor Registry

Page 7 of 15

Vendor / Organization	Jurisdiction	Registration Date	Last Modified	Prefixes	Action
OI Ooma, Inc.	🇺🇸 US	2006-06-13	2015-11-17	1 Prefix	View
OI OOmon Inc.	🇺🇸 US	1998-04-22	2015-11-17	1 Prefix	View
OA OOO Actidata	🇷🇺 RU	2011-08-06	2016-02-18	1 Prefix	View
OA OOO Alyans	🇷🇺 RU	2018-11-16	2018-11-16	1 Prefix	View
OD OOO DEKATRON	🇷🇺 RU	2016-02-05	2016-02-05	1 Prefix	View
OG OOO Group of Industrial Technologies	🇷🇺 RU	2013-08-29	2016-02-05	2 Prefixes	View
OI OOO InProMedia	🇷🇺 RU	2010-11-24	2015-11-17	1 Prefix	View
OM OOO Microlink-Svyaz	🇷🇺 RU	2017-03-29	2018-06-14	2 Prefixes	View
OM OOO Mig Trading	🇷🇺 RU	2025-05-23	2025-05-23	1 Prefix	View
ON OOO NPF ATIS	🇷🇺 RU	2011-02-21	2015-08-29	1 Prefix	View
ON OOO NPP EKRA	🇷🇺 RU	2010-01-05	2015-11-17	1 Prefix	View
ON OOO NPP Mars-Energo	🇷🇺 RU	2017-07-23	2017-07-23	1 Prefix	View
ON OOO NPP Mera	🇷🇺 RU	2011-08-06	2016-02-18	1 Prefix	View
ON OOO NPP Systemotechnika-NN	🇷🇺 RU	2014-01-12	2015-11-17	1 Prefix	View
ON OOO NPP Uraltechnologiya	🇷🇺 RU	2016-08-25	2016-08-25	1 Prefix	View
ON OOO NTC Rotek	🇷🇺 RU	2019-10-02	2019-10-02	1 Prefix	View
ON OOO NTK IMOS	🇷🇺 RU	2011-02-21	2015-11-05	1 Prefix	View
OO OOO ORION-R	🇷🇺 RU	2020-02-06	2020-02-06	1 Prefix	View
OP OOO Petr Telegin	🇷🇺 RU	2013-06-20	2015-11-17	1 Prefix	View
OR OOO Research and Production Center Computer Technologies	🇷🇺 RU	2016-02-18	2019-11-15	7 Prefixes	View
OR OOO RUBEZH NPO	🇷🇺 RU	2012-07-16	2015-11-17	1 Prefix	View
OS OOO Samlight	🇷🇺 RU	2010-05-26	2015-11-17	1 Prefix	View
OT OOO Tekhnotronika	🇷🇺 RU	2016-11-26	2016-11-26	1 Prefix	View
OT OOO TSS	🇷🇺 RU	2021-12-16	2021-12-16	1 Prefix	View
OT OOO TTV	🇷🇺 RU	2013-09-12	2015-11-17	1 Prefix	View
OT OOSIC Technology CO.,Ltd	🇨🇳 CN	2013-01-09	2015-11-17	1 Prefix	View
OC OP CORE	🇫🇷 FR	2026-10-14	2026-10-14	1 Prefix	View
OG Op-Tection GmbH	🇩🇪 DE	2008-10-25	2015-11-17	1 Prefix	View
OC Opal Camera Inc.	🇺🇸 US	2025-10-23	2026-04-02	2 Prefixes	View
OT Opal-RT Technologies Inc.	🇨🇦 CA	2023-06-01	2023-06-01	1 Prefix	View
OS Opaque Systems	🇺🇸 US	2007-10-22	2015-11-17	1 Prefix	View
OS OPASCA Systems GmbH	🇩🇪 DE	2013-08-29	2015-08-29	1 Prefix	View
OP OPCOM	🇺🇸 US	2000-11-09	2015-11-17	1 Prefix	View
OG Opdi-tex GmbH	🇩🇪 DE	2023-03-29	2023-03-29	1 Prefix	View
OI Opelcomm Inc.	🇺🇸 US	2003-04-11	2015-11-17	1 Prefix	View
OC Open Compute Project	🇺🇸 US	2021-06-22	2021-06-22	1 Prefix	View
OC Open Connectivity Foundation	🇺🇸 US	2018-04-06	2018-04-06	1 Prefix	View
OD Open Date Equipment Limited	🇺🇸 US	2011-02-21	2015-08-29	1 Prefix	View
OG Open Grid Computing, Inc.	🇺🇸 US	2008-10-25	2015-11-17	1 Prefix	View
OG Open Grow	🇵🇹 PT	2016-09-06	2016-09-06	1 Prefix	View
OI Open Infrastructure	🇨🇭 CH	2022-07-29	2022-07-29	1 Prefix	View
OI Open Interface North America	🇺🇸 US	2005-05-27	2015-11-17	1 Prefix	View
OJ open joint stock company YUG-SISTEMA plus	🇷🇺 RU	2016-02-05	2016-02-05	1 Prefix	View
OM Open Mesh, Inc.	🇺🇸 US	2011-03-17	2018-06-13	2 Prefixes	View
ON Open Network Co., Ltd.	🇯🇵 JP	2000-11-09	2015-11-17	1 Prefix	View
ON Open Networking Laboratory	🇺🇸 US	2013-05-11	2015-11-17	1 Prefix	View
ON OPEN Networks Pty Ltd	🇦🇺 AU	2000-11-09	2015-11-17	1 Prefix	View
OR OPEN ROAD SOLUTIONS , INC.	🇹🇼 TW	2010-11-24	2015-11-17	1 Prefix	View
OT Open-m technology limited	🇨🇳 CN	2014-04-02	2015-11-17	1 Prefix	View
ОО ООО РОНЕКС	🇷🇺 RU	2019-05-29	2019-05-29	1 Prefix	View

Showing 301 to 350 of 736 entries