MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address A4:51:6F (Microsoft Mobile Oy)
MAC address prefix A4:51:6F is registered to Microsoft Mobile Oy, located at Keilalahdentie 4, Espoo 02150, FI. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 17 November 2015, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
A4:51:6F
Registrant / Organization
Registry Chronology
Initial registration: 17 November 2015
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Finland (FI)
Headquarters Registered Facility 🇫🇮 FI
Keilalahdentie 4
Espoo 02150
FI.
Espoo 02150
FI.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/a4516f -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "A4516F",
"company": "Microsoft Mobile Oy",
"address": "Keilalahdentie 4, Espoo 02150, FI",
"country": "FI",
"blockStart": "A4516F000000",
"blockEnd": "A4516FFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}