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MAC Address Lookup
Enter a MAC address or OUI to find its vendor using IEEE and Wireshark manufacturer data; a REST API is also available.
About MAC Address Lookup
MAC Address Lookup is a web tool for identifying the vendor, manufacturer, or organization behind a network device from its MAC address or OUI prefix. It draws on the IEEE database and the Wireshark manufacturer database.
You can enter a MAC address or OUI to see the matching vendor and block type. The site also provides a free public REST API for adding lookup functions to applications or systems, and the database can be downloaded. It lists totals by block type, including MA-L, MA-M, MA-S, CID, and IAB, along with recently registered and modified OUIs.
The database contains 58,980 MAC addresses and 33,441 vendors, with the last update shown as 5 October 2026. It suits network administrators, developers, and technicians who need to check device ownership during troubleshooting, inventory, or development.
Key features
- Search vendor by MAC address or OUI
- Uses IEEE and Wireshark manufacturer databases
- Downloadable MAC address vendor database
- Free public REST API for lookups
- Lists latest registered and modified OUIs
- Shows database totals by block type
Best for: Network administrators, developers, and technicians who need to identify device vendors from MAC addresses.
Good for
- Combines IEEE and Wireshark manufacturer data
- Includes downloadable database and free REST API
- Shows update date and block-type counts
MAC Address Lookup at a glance
- Website
- maclookup.app
- Category
- Development › Network Tools
- Type
- Online tool
- Pricing
- Free
- Platforms
- macOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
MAC Address Lookup alternatives
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MAC Address Lookup FAQ
What does MAC Address Lookup do?
It matches a MAC address or OUI prefix to its manufacturer, vendor, or organization using IEEE data.
Is there a MAC Address Lookup API?
Yes, a public REST API is available for free to retrieve vendor information by MAC address or OUI.
Can I download the MAC vendor database?
Yes, the site offers the vendor database for download.
How current is the database?
The site lists 58,980 MAC addresses and 33,441 vendors, last updated on 5 October 2026.
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