MAC Address Lookup
Find the device manufacturer for any MAC address using the IEEE OUI registry. Free MAC vendor lookup.
About this MAC Address Lookup tool
The first 24 bits of a MAC address (the OUI) identify the manufacturer. CheckHub looks up the vendor in the IEEE registry.
How to use the MAC Address Lookup
- Step 1. Enter a MAC address in any common format.
- Step 2. Read the manufacturer name.
Frequently asked questions
- Why does my MAC show as unknown?
- Many devices use locally-administered MACs (private randomization on iPhones since iOS 14). These don't map to a vendor.
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