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 navigationIndex Category: Segment O Block Range: [O]
Vendor Directory — O-Names
Browse hardware manufacturers, telecommunications providers, and registered OUI blockholders starting with O. Showing 351 to 400 of 736 registered vendor entities.
Vendors in O-Group
736
Verified registry entries
Page Prefixes
56 MA-L / M / S
Allocated blocks on page
Top Jurisdictions
🇺🇸 US (36%) 18 entities
🇰🇷 KR (12%) 6 entities
🇨🇳 CN (8%) 4 entities
Earliest Allocation
2000-11-09 26y in service
OpenCon Systems, Inc.
Vendor Registry
Page 8 of 15| Vendor / Organization | Jurisdiction | Registration Date | Last Modified | Prefixes | Action |
|---|---|---|---|---|---|
| 🇺🇸 US | 2013-03-11 | 2015-11-17 | 1 Prefix | View | |
| 🇰🇷 KR | 2010-01-05 | 2015-11-17 | 1 Prefix | View | |
| 🇺🇸 US | 2013-12-13 | 2015-11-17 | 1 Prefix | View | |
| 🇬🇧 GB | 2011-02-21 | 2018-10-24 | 3 Prefixes | View | |
| 🇺🇸 US | 2004-06-30 | 2015-11-17 | 1 Prefix | View | |
OT | 🇰🇷 KR | 2004-02-12 | 2015-11-17 | 1 Prefix | View |
| 🇺🇸 US | 2011-02-21 | 2015-08-29 | 1 Prefix | View | |
OP | 🇺🇸 US | 2026-05-26 | 2026-05-26 | 1 Prefix | View |
| 🇰🇷 KR | 2005-06-25 | 2015-11-17 | 1 Prefix | View | |
| 🇺🇸 US | 2000-11-09 | 2015-11-17 | 1 Prefix | View | |
| 🇨🇳 CN | 2003-02-07 | 2015-11-17 | 1 Prefix | View | |
OP | 🇺🇸 US | 2018-10-24 | 2024-07-24 | 2 Prefixes | View |
| 🇺🇸 US | 2005-02-19 | 2015-11-17 | 1 Prefix | View | |
OI | 🇺🇸 US | 2005-03-22 | 2015-11-17 | 1 Prefix | View |
| 🇹🇼 TW | 2007-12-31 | 2015-11-17 | 1 Prefix | View | |
| 🇭🇺 HU | 2023-05-01 | 2023-05-01 | 1 Prefix | View | |
OP | 🇫🇷 FR | 2010-02-21 | 2015-11-17 | 1 Prefix | View |
| 🇺🇸 US | 2010-01-05 | 2016-02-18 | 2 Prefixes | View | |
| 🇺🇸 US | 2011-02-21 | 2015-08-29 | 1 Prefix | View | |
OG | 🇩🇪 DE | 2011-02-21 | 2015-08-29 | 1 Prefix | View |
| 🇸🇪 SE | 2013-09-12 | 2015-11-17 | 1 Prefix | View | |
| 🇱🇻 LV | 2011-08-06 | 2016-02-18 | 1 Prefix | View | |
| 🇳🇱 NL | 2017-01-07 | 2017-01-07 | 1 Prefix | View | |
| 🇰🇷 KR | 2001-06-04 | 2015-11-17 | 1 Prefix | View | |
OP | 🇺🇸 US | 2024-12-31 | 2024-12-31 | 1 Prefix | View |
| 🇨🇳 CN | 2010-01-05 | 2015-11-17 | 1 Prefix | View | |
OP | 🇺🇸 US | 2024-05-09 | 2024-05-09 | 1 Prefix | View |
OB | 🇳🇱 NL | 2011-02-21 | 2015-08-29 | 1 Prefix | View |
OB | 🇳🇱 NL | 2011-07-26 | 2015-11-17 | 1 Prefix | View |
OL | 🇷🇺 RU | 2021-10-06 | 2021-10-06 | 1 Prefix | View |
| 🇦🇺 AU | 2019-04-24 | 2019-04-24 | 1 Prefix | View | |
| 🇺🇸 US | 2025-03-27 | 2025-03-27 | 1 Prefix | View | |
| 🇮🇱 IL | 2016-11-26 | 2016-11-26 | 1 Prefix | View | |
| 🇮🇱 IL | 2022-01-19 | 2022-01-19 | 1 Prefix | View | |
| 🇸🇬 SG | 2023-06-30 | 2025-05-12 | 3 Prefixes | View | |
| 🇮🇱 IL | 2007-12-31 | 2015-11-17 | 1 Prefix | View | |
| 🇺🇸 US | 2001-10-24 | 2015-11-17 | 1 Prefix | View | |
| 🇰🇷 KR | 2002-06-05 | 2015-11-17 | 1 Prefix | View | |
| 🇫🇷 FR | 2016-08-25 | 2016-08-25 | 1 Prefix | View | |
OP | 🇰🇷 KR | 2000-11-09 | 2015-11-17 | 1 Prefix | View |
| 🇺🇸 US | 2011-02-21 | 2015-08-29 | 1 Prefix | View | |
OT | 🇨🇳 CN | 2014-03-11 | 2015-11-17 | 1 Prefix | View |
| 🇹🇼 TW | 2002-10-14 | 2015-11-17 | 1 Prefix | View | |
OB | 🇳🇱 NL | 2018-10-24 | 2018-10-24 | 1 Prefix | View |
| 🇩🇪 DE | 2025-07-31 | 2025-07-31 | 1 Prefix | View | |
| 🇨🇳 CN | 2023-03-10 | 2023-03-10 | 1 Prefix | View | |
| 🇺🇸 US | 2008-10-25 | 2015-11-17 | 1 Prefix | View | |
| 🇨🇦 CA | 2016-03-01 | 2016-03-01 | 1 Prefix | View | |
| 🇺🇸 US | 2026-09-15 | 2026-09-15 | 1 Prefix | View | |
OP | 🇮🇱 IL | 2020-07-22 | 2020-07-22 | 1 Prefix | View |
Showing 351 to 400 of 736 entries