MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 

MAC Vendor JSON database


You can download the data available in the online database as either a CSV, JSON or Cisco "vendorMacs.xml" format.
Each files contains 42K unique MACS.

MAC Vendor Database JSON

Unique MAC address: 42758
Updated: 16 May 2021

Format


[
  {
		"macPrefix": "00:00:00",
		"vendorName": "XEROX CORPORATION",
		"private": false,
		"blockType": "MA-L",
		"lastUpdate": "2015/11/17"
 }
]

Attributes

AttributeDescription
macPrefixMAC address prefix
vendorNameVendor/Company Name
privateIf true: Company name & address will not be displayed on public listing
blockType

MAC address block:

MA-L: MAC Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
MA-M: MAC Address Block Medium. Number of address 2^20 (~1 Million)
MA-S: MAC Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
CID: Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)
lastUpdateWhen MAC information was last updated. Format (YYYY-MM-DD)