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 601 to 650 of 736 registered vendor entities.

Search Vendor MAC Generator

Vendors in O-Group

736

Verified registry entries

Page Prefixes

52 MA-L / M / S

Allocated blocks on page

Top Jurisdictions

🇺🇸 US (30%) 15 entities

🇯🇵 JP (20%) 10 entities

🇩🇪 DE (8%) 4 entities

Earliest Allocation

1998-04-22 28y in service

OSAI SRL

Vendor Registry

Page 13 of 15

Vendor / Organization	Jurisdiction	Registration Date	Last Modified	Prefixes	Action
OS Ory Solucoes em Comercio de Informatica Ltda.	🇧🇷 BR	2010-01-05	2015-11-17	1 Prefix	View
OU OS42 UG (haftungsbeschraenkt)	🇩🇪 DE	2018-06-14	2018-06-14	1 Prefix	View
OS OSAI SRL	🇮🇹 IT	1998-04-22	2015-11-17	1 Prefix	View
OC OSAKA COMPUTER CORP.	🇯🇵 JP	1998-04-22	2015-11-17	1 Prefix	View
OM Osaka Micro Computer.	🇯🇵 JP	2004-02-12	2015-11-17	1 Prefix	View
OD OSAKI DATATECH CO., LTD.	🇯🇵 JP	2019-06-11	2019-06-11	1 Prefix	View
OE Osaki Electric Co., Ltd.	🇯🇵 JP	2000-11-09	2015-11-17	1 Prefix	View
OT OSASI Technos Inc.	🇯🇵 JP	2012-10-05	2015-11-17	1 Prefix	View
OS Osatec	🇼🇸 WS	2018-03-05	2018-03-05	1 Prefix	View
OC Osborne Coinage Co	🇺🇸 US	2011-08-06	2016-02-18	1 Prefix	View
OP Oscars Pro	🇮🇳 IN	2021-03-05	2021-03-05	1 Prefix	View
OS OSCILLOQUARTZ S.A.	🇨🇭 CH	2000-11-09	2015-11-17	1 Prefix	View
OS Osec	🇳🇱 NL	2026-05-12	2026-05-12	1 Prefix	View
OT Osee Technology LTD.	🇨🇳 CN	2023-04-14	2023-04-14	1 Prefix	View
OH osf Hansjuergen Meier GmbH & Co. KG	🇩🇪 DE	2011-11-26	2015-08-29	1 Prefix	View
OS Oshimi System Design Inc.	🇯🇵 JP	2011-02-21	2015-08-29	1 Prefix	View
OC oshkosh Corporation	🇺🇸 US	2018-10-13	2018-10-13	1 Prefix	View
OC Oshoksh Corporation	🇺🇸 US	2011-08-06	2015-08-29	1 Prefix	View
OP OSI PLUS CORPORATION	🇯🇵 JP	1998-04-22	2015-11-17	1 Prefix	View
OS OSI Security Devices	🇺🇸 US	2005-06-17	2015-11-17	1 Prefix	View
OT OSI TECHNOLOGY CO.,LTD.	🇹🇼 TW	2021-01-20	2021-01-20	1 Prefix	View
OC OSITECH COMMUNICATIONS, INC.	🇨🇦 CA	1998-04-22	2015-11-17	1 Prefix	View
OS Ositis Software, Inc.	🇺🇸 US	2001-10-24	2015-11-17	1 Prefix	View
OV OSKAR VIERLING GMBH + CO. KG	🇩🇪 DE	2000-11-09	2015-11-17	1 Prefix	View
OS OSLiNK Sp. z o.o.	🇵🇱 PL	2005-09-23	2015-11-17	1 Prefix	View
OI Osmetech Inc.	🇺🇸 US	2011-02-21	2015-08-29	1 Prefix	View
OS OSMOZIS	🇫🇷 FR	2018-10-24	2023-07-11	2 Prefixes	View
OS OSNexus	🇺🇸 US	2022-05-04	2022-05-04	1 Prefix	View
OT Oso Technologies	🇺🇸 US	2014-04-14	2016-02-18	1 Prefix	View
OT Oso Technologies, Inc.	🇺🇸 US	2015-04-29	2016-02-18	1 Prefix	View
OP OSOM Products Inc	🇺🇸 US	2021-10-21	2022-10-22	1 Prefix	View
OE Osorno Enterprises Inc.	🇨🇦 CA	2013-03-11	2015-11-17	1 Prefix	View
OC Ospicon Company Limited	🇭🇰 HK	2016-08-25	2016-08-25	1 Prefix	View
OT OSPREY TECHNOLOGIES, INC.	🇺🇸 US	2000-11-09	2015-11-17	1 Prefix	View
OV Osprey Video, Inc	🇺🇸 US	2020-02-19	2020-02-19	1 Prefix	View
OR OSR R&D ISRAEL LTD	🇮🇱 IL	2016-10-11	2016-10-11	1 Prefix	View
OG Osram GmbH	🇩🇪 DE	2014-07-13	2015-11-17	1 Prefix	View
OI Ossia Inc	🇺🇸 US	2021-12-02	2021-12-06	2 Prefixes	View
OS Ossiaco	🇨🇦 CA	2019-08-21	2019-08-21	1 Prefix	View
OO OST (OUEST STANDARD TELEMATIQU	🇫🇷 FR	1998-04-22	2015-11-17	1 Prefix	View
OD Osterhout Design Group	🇺🇸 US	2014-11-11	2015-11-17	1 Prefix	View
OL OSUNG LST CO.,LTD.	🇰🇷 KR	2018-02-15	2018-02-15	1 Prefix	View
OM Osung Midicom Co., Ltd	🇰🇷 KR	2006-01-04	2015-11-17	1 Prefix	View
OS OT Systems Limited	🇭🇰 HK	2011-03-17	2015-11-17	1 Prefix	View
OE Otaki Electric Corporation	🇯🇵 JP	2011-10-15	2015-08-29	1 Prefix	View
OC Otanikeiki Co., Ltd.	🇯🇵 JP	2001-06-04	2015-11-17	1 Prefix	View
OI Otari, Inc.	🇯🇵 JP	2001-02-02	2015-11-17	1 Prefix	View
OW OTC Wireless	🇺🇸 US	2000-11-09	2015-11-17	1 Prefix	View
OS OTE Spa	🇮🇹 IT	2005-07-21	2015-11-17	1 Prefix	View
OC OTEC(Shanghai)Technology Co.,Ltd.	🇨🇳 CN	2013-11-12	2015-11-17	1 Prefix	View

Showing 601 to 650 of 736 entries