MAC Address OUI Lookup

Find manufacturer information from MAC addresses

Enter a MAC address or OUI prefix to lookup manufacturer information
Valid formats:
• Full MAC: 00:00:00:00:00:00 or 00-00-00-00-00-00 or 00.00.00.00.00.00
• OUI Prefix: 00:00:00 or 00-00-00 or 00.00.00 or 000000
• No separators: 000000000000 (full) or 000000 (prefix)
Try these examples: 00:19:E7 (Cisco), 00:11:22 (CIMSYS), AC:2B:6E (Intel)

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Manufacturer Information
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