Overview

The MAC Address Lookup API provides instant identification of network hardware vendors through official IEEE registry data. Whether you're managing enterprise networks, conducting security audits, or tracking inventory assets, this service delivers reliable manufacturer information for any MAC address prefix.

In today's complex networking environments, understanding device origins is crucial for security, compliance, and asset management. Our API queries the comprehensive IEEE OUI (Organizationally Unique Identifier) database to reveal the manufacturer behind each MAC address prefix. This information proves invaluable for IT administrators monitoring network traffic, security professionals investigating suspicious devices, and inventory managers tracking corporate hardware assets.

The service supports flexible querying options, allowing searches by MAC address prefix for exact matches or by organization name for discovery purposes. Results include detailed vendor information, registry classifications, and assignment details, making it an essential tool for network diagnostics, security monitoring, and hardware inventory management across enterprise environments.

API URL

GET /api/v1/mac-address

Headers

Code

Content-Type: application/json

Query Parameters

Param

Type

Description

mac

required

string

Full MAC address for vendor lookup

prefix

required

string

Full MAC prefix (e.g. 00:1A:2B), exact match. Will be uppercased.

org

required

string

Organization name substring. Case-insensitive. At least one of prefix/org must be provided.

Example GET Request

Code

GET /api/v1/mac-address?prefix=00:1A:2B

Successful Response

Status

HTML

200 OK

Body

Code

[
  {
    "prefix": "00:1A:2B",
    "organization": "Cisco Systems",
    "registry": "MA-L"
  }
]

Field

Type

success

boolean

count

integer

mac_address

string

vendor

string

data

array

data[].prefix

string

data[].organization

string

data[].address

string

correlationId

string

Error Response

Example

Code

400 MISSING_QUERY â€“ If neither prefix nor org is provided
404 NOT_FOUND â€“ No matching result found
500 SERVER_ERROR â€“ Unexpected database or query issue

Last Updated: May 4, 2026

DP.

API Documentation

API URL

GET /api/v1/mac-address

Example GET Request

Successful Response

Error Response

API URL

GET /api/v1/mac-address

macrequiredstring

prefixrequiredstring

orgrequiredstring

Example GET Request

Successful Response

successboolean

countinteger

mac_addressstring

vendorstring

dataarray

data[].prefixstring

data[].organizationstring

data[].addressstring

correlationIdstring

Error Response