MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address B4:37:D1:2 (Fibersystem AB)
MAC address prefix B4:37:D1:2 is registered to Fibersystem AB, located at Gårdsfogdevägen 18B, Bormma Stockholm 16866, SE. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 05 February 2016, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
B4:37:D1:2
Registrant / Organization
Registry Chronology
Initial registration: 05 February 2016
Assignment Classification
MA-M
(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)
Registered Location
Country: Sweden (SE)
Headquarters Registered Facility 🇸🇪 SE
Gårdsfogdevägen 18B
Bormma Stockholm 16866
SE.
Bormma Stockholm 16866
SE.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/b437d12 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "B437D12",
"company": "Fibersystem AB",
"address": "Gårdsfogdevägen 18B, Bormma Stockholm 16866, SE",
"country": "SE",
"blockStart": "B437D1200000",
"blockEnd": "B437D12FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2016-02-05",
"isRand": false,
"isPrivate": false
}