MAC Address Lookup

Identify device manufacturer by network card MAC address

Free Tool OUI Database

MAC Lookup

Frequently Asked Questions

How to find a device MAC address?

Windows: ipconfig /all
Linux/Mac: ifconfig or ip link
Router: check "Connected Devices" section

Can MAC address be changed?

Yes, MAC addresses can be changed programmatically (MAC spoofing). Changed addresses typically have LAA (Locally Administered Address) type instead of UAA (Universally Administered).

What is OUI?

OUI (Organizationally Unique Identifier) - first 3 bytes (6 characters) of MAC address that identify the device manufacturer. Managed by IEEE and unique to each company.

What is MAC?

MAC (Media Access Control) address is a unique 48-bit identifier for network devices. The first 6 characters (OUI) identify the manufacturer.

MAC Structure

AA:BB:CC:DD:EE:FF

                                    OUI (vendor) : NIC (device)

Address Types

UAA - Universally Administered (from vendor)
LAA - Locally Administered (user-changed)
Multicast - Group address

Examples

00:1A:11 - Google
00:50:56 - VMware
3C:22:FB - Apple
08:00:27 - VirtualBox
B8:27:EB - Raspberry Pi