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MAC Address Lookup

Lookup the manufacturer, vendor OUI, and device type from any MAC address (e.g. 00:1A:2B:3C:4D:5E). Supports all formats.

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About this tool: MAC Address Lookup

Lookup the manufacturer, vendor OUI, and device type from any MAC address (e.g. 00:1A:2B:3C:4D:5E). Supports all formats.

Every network interface card (NIC) possesses a unique 48-bit MAC address. The first 24 bits represent the Organizationally Unique Identifier (OUI) assigned by the IEEE. This tool looks up the official manufacturer associated with any MAC address.

Belangrijkste Toepassingen & Voordelen

  • Identify mystery devices connected to your router or DHCP client table.
  • Conduct hardware inventory audits on corporate networks.
  • Detect whether an address is a genuine vendor hardware MAC or a randomized private MAC.
  • Configure MAC address filtering and VLAN assignments on network switches.
Handige Tip & Best Practice: If the second hexadecimal character of a MAC address is 2, 6, A, or E, it represents a locally administered randomized MAC address generated by modern smartphones for privacy.

This online diagnostic utility is powered by ToolPing to provide fast, reliable, and secure network analytics for sysadmins and developers.

Frequently Asked Questions (FAQ)

How do I find the manufacturer of a MAC address?

Enter a MAC address (e.g. 00:1A:2B:3C:4D:5E or 001A2B) and click "Lookup Vendor". The tool queries the IEEE OUI database to identify the hardware vendor.

Where do I find my device's MAC address?

On Windows, run "ipconfig /all" in CMD (Physical Address). On macOS/Linux, run "ifconfig" or "ip link". On mobile, check Wi-Fi Settings.