MAC Address Lookup
Identify the manufacturer of any network device by its MAC addressUpdated 2026-03-16
Accepts formats: AA:BB:CC:DD:EE:FF, AA-BB-CC-DD-EE-FF, AABB.CCDD.EEFF, or AABBCCDDEEFF
How to Use MAC Address Lookup
- Copy data or export report
- Enter domain, IP, or URL to check
- Review detailed results
- Click Lookup or press Enter
All lookups are performed locally in your browser using an embedded vendor database. No data is sent to any server.
Frequently Asked Questions
What is a MAC address?
A MAC (Media Access Control) address is a unique hardware identifier assigned to every network interface card. It consists of 6 bytes typically written as hex pairs separated by colons or hyphens.
What is an OUI?
OUI (Organizationally Unique Identifier) is the first 3 bytes of a MAC address, assigned by IEEE to identify the device manufacturer.
Is MAC Address Lookup free?
Yes, completely free. No signup, no limits. The lookup uses a local database embedded in the page.
Is my data safe?
Absolutely. Everything runs locally in your browser using JavaScript. No data is uploaded to any server.
"MAC Address Lookup." NetTool1, nettool1.com, https://nettool1.com/tools/mac-address-lookup/. Accessed 2026-03-16.