CSV database | Database download | MAC Address Vendor Lookup

MAC address vendors database in CSV format

Permanent URL


Output sample

08:EC:F5,0,"Cisco Systems, Inc","80 West Tasman Drive San Jose CA 94568",US,MA-L,2018-11-09,2018-11-09

Field descriptions

oui Organization Unique Identifier
isPrivate For an extra fee to IEEE, vendors can hide their details. In this case, this flag is set to 'true' and companyName, companyAddress and countryCode are 'private'.
companyName Name of the company which registered the MAC addresses block.
companyAddress Company's full address.
countryCode Company's country code in ISO 3166 format.
assignmentBlockSize Assignment block size, one of the following:
  • 'MA-L' for MAC Address Block Large
  • 'MA-M' for MAC Address Block Medium
  • 'MA-S' for MAC Address Block Small
  • 'IAB' for Individual Address Block
dateCreated Date when the range was allocated, in YYYY-MM-DD format. Is available for ranges registered after 27 June, 2018.
dateUpdated Date when the range was last updated, in YYYY-MM-DD format. Is available for ranges registered after 27 June, 2018.


WHOIS API service provides the registration details, also known as the WHOIS record data, of a domain name, an IP address, or an email address. All of the WHOIS information we offer is adequately parsed and normalized to a consistent format so it can easily fit in with your business operations.

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