MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 84:57:33 (Microsoft Corporation)
MAC address prefix 84:57:33 is registered to Microsoft Corporation, located at One Microsoft Way, REDMOND 98052, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 10 April 2019, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
84:57:33
Registrant / Organization
Registry Chronology
Initial registration: 10 April 2019
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
One Microsoft Way
REDMOND 98052
US.
REDMOND 98052
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/845733 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "845733",
"company": "Microsoft Corporation",
"address": "One Microsoft Way, REDMOND 98052, US",
"country": "US",
"blockStart": "845733000000",
"blockEnd": "845733FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2019-04-10",
"isRand": false,
"isPrivate": false
}