Vendor or organization
The registration name belongs to the organization assigned the matching IEEE address block. It may be a component maker rather than the brand printed on a device.
Free MAC vendor lookup
MAC Address Lookup
Enter a device MAC address to find its registered vendor, OUI assignment and address type.
Vendor results identify the organization registered for the address prefix. They do not identify a specific device, owner or current location.
How it works
Find a MAC address vendor in three steps
- 01
Enter the address
Paste all 12 hexadecimal digits. Colons, hyphens and Cisco-style dots are accepted.
- 02
Validate the type
The tool checks the address length and identifies universal, local and multicast addresses.
- 03
Review the assignment
For universal addresses, review the registered organization, OUI prefix, block type and available registry details.
Understand the result
What a MAC vendor lookup can tell you
OUI and address block
The prefix is matched against a registered MA-L, MA-M or MA-S block. Different block sizes reserve different numbers of hardware addresses.
Universal or local bit
Universally administered addresses can use registered vendor prefixes. Locally administered addresses are set in software and may be random or private.
Unicast or multicast bit
A unicast address targets one network interface. A multicast address targets a group and does not represent a normal vendor-assigned device address.
What is a MAC address?
A MAC address is a link-layer identifier commonly written as six hexadecimal octets. Network interfaces use it for communication on the local network segment.
How does the lookup identify a manufacturer?
It compares the address prefix with public IEEE registration data. The match identifies the organization assigned that block, not necessarily the final product brand.
Why was no vendor found?
The address may be locally administered, randomized, multicast, unregistered, newly assigned or absent from the current provider data.
Can a MAC address reveal a device location or owner?
No. A vendor lookup does not reveal a device owner, live location, IP address or activity.
Why does my phone show a different MAC address?
Modern phones and computers often randomize Wi-Fi MAC addresses to reduce tracking. Randomized addresses are locally administered and do not reliably identify the hardware vendor.
Is this MAC address lookup free?
Yes. The tool is free to use and does not require an account.