Threats & URL Safety100% In-BrowserOUI Directory
MAC Address & OUI Vendor Lookup
Identify hardware device manufacturers and Organizationally Unique Identifiers (OUI) from MAC addresses.
Real-time processing·No server uploads·Zero telemetry
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How to Use MAC Address & OUI Vendor Lookup
01
Enter a MAC address (e.g. 00:1A:2B:3C:4D:5E or 001A.2B3C.4D5E).
02
The tool extracts the 24-bit OUI prefix.
03
View registered hardware vendor name and country.
Privacy Guarantee
MAC Address & OUI Vendor Lookup runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
What is an OUI?
An Organizationally Unique Identifier (OUI) is the first 3 octets of a MAC address assigned by IEEE to identify device manufacturers.
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