MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address B4:56:FA (IOPSYS Software Solutions)
MAC address prefix B4:56:FA is registered to IOPSYS Software Solutions, located at Krukmakargatan 21, Stockholm Stockholm 118 51, SE. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 25 January 2023, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
B4:56:FA
Registrant / Organization
Registry Chronology
Initial registration: 25 January 2023
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Sweden (SE)
Headquarters Registered Facility 🇸🇪 SE
Krukmakargatan 21
Stockholm Stockholm 118 51
SE.
Stockholm Stockholm 118 51
SE.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/b456fa -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "B456FA",
"company": "IOPSYS Software Solutions",
"address": "Krukmakargatan 21, Stockholm Stockholm 118 51, SE",
"country": "SE",
"blockStart": "B456FA000000",
"blockEnd": "B456FAFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2023-01-25",
"isRand": false,
"isPrivate": false
}