MAC Address Lookup

Enter any MAC address, OUI, or IAB below to lookup the manufacturer, location, and more

MAC Address Details

Company
Address
Range: -
Type/Database

More Registries!

Live Database Stats Up to date as of Monday, June 29, 2026

Database Type	Number of Different Vendor Entries
MA-L	39,209
MA-S	7,071
MA-M	6,452
IAB	4,575
CID	213
Totaling	57,520 Vendor Entries - Which is 278,171,123,449,855 unique MAC addresses!

We have just added additional IEEE registries, including...

MA-L: IEEE MAC Address Large (24-bit block size)
MA-M: IEEE MAC Address Medium (28-bit block size)
MA-S: IEEE MAC Address Small (36-bit block size)
OUI24: Organizationally Unique Identifier (24-bit block size)
OUI36: Organizationally Unique Identifier (36-bit block size)
IAB: Individual Address Blocks (36-bit block size)
CID: Company ID Blocks (24-bit block size)
EUI48: Extended Unique Identifier (48-bit block size)

If you find any issues, have an idea on what to add or improve on, or just have a question, please let us know by going to our contact page. We would love to hear from you! Any feedback is appreciated!

June 2026 Update: Great News! The API is enabled again! Plus an updated site is just around the corner!

First we would like to thank all our loyal users, especially the ones who have donated!

Since we have been subject to abuse of our API from several large companies and smart phone app creators who have incorrectly implemented our API, we have essentially been DDoSed for the past few months. (and our SSL cert expiring *doh*)

We have tested the new site a few times during off-peak hours and the results are extremely promising! If you would like to help test our beta site, please Contact Us and let us know you are interested in the beta. We will get back to you with a link when the beta is live.

Our current site will continue to operate without the API enabled and once the beta site goes live, all (correct) API queries will be backward compatible with the new website.

Please feel free to contact us via our Contact Us page with any questions, improvements, requests, ideas, or anything at all you may have.

Especially if you have any improvements or feature requests for the new site, we will accomidate and pack as many features as we can into the new site before it goes live!

Thank you!