Look up the manufacturer and vendor details for any MAC address using the OUI (Organizationally Unique Identifier) database.
A MAC (Media Access Control) address is a 48-bit hardware identifier assigned to every network interface card at manufacture. The first 24 bits (the OUI — Organizationally Unique Identifier) identify the manufacturer, which is registered with the IEEE. This tool looks up the OUI to reveal the device's manufacturer.
The IEEE maintains the public OUI registry mapping the first three octets of every MAC address to the manufacturer that registered that block.
MAC lookup helps identify unknown devices on your network — a sudden unknown manufacturer in your DHCP table can indicate an intruder or rogue device.
Identify whether a device is a smartphone (Apple, Samsung), IoT device (Espressif, Raspberry Pi Foundation), or networking equipment (Cisco, TP-Link).
Modern phones (iOS 14+, Android 10+) randomise MAC addresses per network to prevent tracking. Random MACs won't match a real manufacturer entry.
No. A MAC address is a hardware-layer (Layer 2) identifier used within a local network. An IP address is a network-layer (Layer 3) identifier used for routing across the internet. MACs don't travel beyond your router.
Most formats are accepted: colon-separated (AA:BB:CC:DD:EE:FF), dash-separated (AA-BB-CC-DD-EE-FF), or unformatted (AABBCCDDEEFF). Only the first 6 characters (OUI) are needed for manufacturer lookup.