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MAC Vendor CSV database

Gain access to our updated and comprehensive MAC address database completely free of charge. The database is available for download in multiple formats to suit your needs: JSON, CSV, and Cisco's "vendorMacs.xml" format. Choose the format that works best for your project:

Each file contains over 55000 unique MAC prefixes, ensuring you have the most accurate and up-to-date vendor information for your network or development needs.

MAC Vendor Database in CSV format Unique MAC address: 55445
Updated: 27 August 2025

Download CSV database (~ 2.3MB)

Format Mac Prefix,Vendor Name,Private,Block Type,Last Updated ... 00:00:00,XEROX CORPORATION,false,MA-L,2015/11/17 ... Attributes Column Name   Description  
Mac Prefix   MAC address prefix  
Vendor Name   Vendor/Company Name  
Private   If true: Company name & address will not be displayed on public listing  
Block Type  

MAC address block:

MA-L: MAC Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)   MA-M: MAC Address Block Medium. Number of address 2^20 (~1 Million)   MA-S: MAC Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)   CID: Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)  
 
Last Update   When MAC information was last updated. Format (YYYY-MM-DD)