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Free online MAC address lookup tool. Identify the manufacturer and vendor of any MAC address for network administration and security analysis.
Looks up the manufacturer or vendor associated with a MAC address by matching its first 3 bytes (OUI prefix) against a built-in database of over 200 common vendors. Supports partial matching when no exact OUI is found.
Identifying device manufacturers from MAC addresses helps with network inventory, security auditing, and troubleshooting. This tool provides instant vendor lookup without requiring an external API call.
Network administrators identifying unknown devices on their network, security analysts investigating MAC addresses in logs, and IT support staff tracking hardware inventory.
Enter a MAC address in any common format (colon-separated, dash-separated, or dot-separated)
Press Lookup to search the built-in OUI database
View the vendor/manufacturer associated with the MAC prefix
Click the result to copy the vendor name to your clipboard
Input: '00:50:56:AA:BB:CC' — Output: Vendor: VMwareInput: 'DC:A6:32:11:22:33' — Output: Vendor: Raspberry Pi FoundationInput: '00:0C:29:44:55:66' — Output: Vendor: VMwareThe built-in database covers 200+ common vendors. For a complete lookup, try a service like IEEE's OUI registry.
Organizationally Unique Identifier, the first 24 bits of a MAC address assigned to hardware manufacturers by IEEE.
Yes, software can change the reported MAC address, so the vendor lookup shows the manufacturer of the original hardware, not necessarily the current configuration.
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