Identify the vendor or manufacturer of any network device by entering its MAC address. Our built-in OUI database covers 50+ common vendors.
Enter MAC Address
About the MAC Address Lookup Tool
The MAC Address Lookup tool identifies the vendor or manufacturer of any network device by its Media Access Control (MAC) address. Every network interface card (NIC) is assigned a unique MAC address, and the first three octets (24 bits) form the Organizationally Unique Identifier (OUI) registered with the IEEE. By looking up the OUI, you can determine which company manufactured the device. This is essential for network inventory management, security auditing, and troubleshooting.
How to Use the MAC Lookup
Find the MAC Address: Locate the MAC address of the device you want to identify. On Windows, use ipconfig /all; on macOS/Linux, use ifconfig or ip link.
Enter the MAC: Type the MAC address in any common format — colon-separated (AA:BB:CC:DD:EE:FF), dash-separated (AA-BB-CC-DD-EE-FF), or dot-separated (AABB.CCDD.EEFF).
Click Lookup: Press the "Lookup Vendor" button to search our built-in OUI database.
View Results: See the identified vendor along with the full MAC address broken down into its component parts.
Features
50+ Vendor OUI DatabaseBuilt-in database covers the most common network device manufacturers including Cisco, Apple, Intel, Samsung, and more.
Multiple Input FormatsAccepts MAC addresses in colon-separated, dash-separated, dot-separated, or raw format.
MAC Address ValidationValidates the MAC address format and provides clear error messages for invalid inputs.
Vendor IdentificationInstantly displays the manufacturer name associated with the MAC address's OUI prefix.
MAC BreakdownShows the OUI (vendor) and NIC-specific portions of the MAC address separately.
Unicast/Multicast DetectionIdentifies whether the MAC address is unicast or multicast based on the least significant bit.
Benefits of Using This Lookup
Knowing the manufacturer of a network device helps in many scenarios. Network administrators can verify device authenticity, security teams can identify rogue devices on the network, and procurement teams can confirm hardware specifications. This lookup is completely client-side, meaning your MAC addresses are never sent to any server — maintaining privacy and security.
Who Uses This MAC Lookup?
Network AdministratorsIdentify unknown devices on the network and maintain accurate network inventory documentation.
Security AnalystsDetect unauthorized devices and verify that connected hardware matches expected vendors.
IT Support TeamsQuickly identify hardware manufacturers when troubleshooting device-specific network issues.
Forensic InvestigatorsTrace device ownership by identifying the manufacturer during incident response investigations.
Why TooliFyra's MAC Lookup?
TooliFyra's MAC Address Lookup runs entirely in your browser, ensuring complete privacy — your MAC addresses are never transmitted anywhere. The built-in OUI database covers the 50 most common vendors, and the tool accepts multiple input formats for maximum convenience. The clear result display shows both the vendor name and a breakdown of the MAC address components.
Frequently Asked Questions
A MAC (Media Access Control) address is a unique identifier assigned to network interface cards (NICs) by the manufacturer. It's a 48-bit (6-byte) number typically displayed as six pairs of hexadecimal digits separated by colons or dashes.
OUI stands for Organizationally Unique Identifier. It's the first 24 bits (3 octets) of a MAC address, assigned by the IEEE to specific manufacturers. By looking up the OUI, you can identify which company manufactured the network device.
Yes, MAC addresses can be spoofed or changed using software. While this tool identifies the original manufacturer, a modified MAC address may not reflect the actual hardware. This is why MAC-based security alone is not recommended.
Our built-in database covers the 50 most common vendors. If your device is from a less common manufacturer, it may not be in our local database. The tool will indicate when no match is found.
