MAC address, OUI, IAB vendor API | API | MAC Address Vendor Lookup

MAC address API

The MAC address vendor API allows you to retrieve OUI vendor information, detect virtual machines, manufacturer, location, read the information encoded in the MAC address, and get our research's results regarding the given MAC address, OUI, IAB.


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For a given MAC address we retrieve

Vendor details

Name of the company which registered the MAC addresses block, it’s street address and country code in ISO 3166 format.

Created & Updated dates

Dates when the MAC address block the given MAC address belongs to was registered and updated the last time.

Is it registered

Check if the MAC address belongs to any of the registered MAC blocks.

Is it valid

Check if the provided MAC address is syntactically correct.

Is it private

Check if the MAC address belongs to the privately registered block.

Block details

For the MAC block the MAC address belongs to, get Left and Right borders, total number of the MAC addresses in it, and assignment type.

Virtual Machine Detection new

If the MAC address is assigned to a Virtual Machine, output its Vendor Name (e.g. 'VMWare'), otherwise say 'Not detected'.

Possible applications new

Some MAC addresses and their ranges are reserved for specific use cases by their vendors. Such addresses typically indicate what higher-level protocol is encapsulated in a frame.

Wireshark notes new

For some specific OUIs or exact MAC addresses, Wireshark Database provides extra details which may help to recognize the MAC address application or indicate an actual vendor rather than the original assignment.

Transmission Type

Determine whether it's a Multicast or Unicast address.

Administration Type

Determine whether it's a Universally or Locally administered address.

We deliver complete and relevant data

Vendor data is provided daily, directly from the IEEE Standards Association.

We build a knowledge base about known MAC addresses' connections to Virtual Machines.

We also collect our own historical information since 1997.

Our engine analyses MAC address to retrieve the information encoded in it.

Download our recent full database in JSON/CSV/XML/ Cisco formats.

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We also built stats regarding all the registered MAC address blocks.

View the stats

Practical usage

Research what device is behind the MAC address.

Configure routing white and blacklists.

Check for unallowed MACs in the network.

Extend you admin toolkit with a service instantly providing MAC address details.

Detect Virtual Machines to precisely monitor and manage the traffic coming from them.

Simplify your work


We provide extensions for the major open source threat intelligence platforms. If you use any of them, you can easy integrate our service.

Learn more about API integration


To make coding against MAC address API easier, use client libraries that reduce the amount of code you need to write.

Go to libraries

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Download an exhaustive MAC Address Vendor Database for your educational, business or enterprise needs.

Our database comes in the following forms: JSON, CSV, XML, Cisco vendorMacs.xml for maximum compatibility and fast integration into existing systems. The API version is also available.

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