MAC Address Lookup

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


Updated Cisco vendorMacs.xml database

Cisco Prime Infrastructure relies on the IEEE Organizational Unique Identifier (OUI) database to resolve MAC addresses to manufacturers. Prime Infrastructure stores vendor OUI mappings in an XML file named vendorMacs.xml.

Update Vendor OUI Mapping file

  • Choose Administration > Settings > System Settings > Client and User > Upload OUI. The Upload OUI From File page appears.
  • Browse and select the vendorMacs.xml file and click OK


Unique MAC address: 44955
Updated: 22 January 2022


<MacAddressVendorMappings xmlns="">
	<VendorMapping mac_prefix="00:00:00" vendor_name="XEROX CORPORATION">>/VendorMapping>


Column nameDescription
mac_prefixMAC address prefix
vendor_nameVendor/Company Name