MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address A4:4F:3E:7 (Vinfast Trading and Production JSC)
MAC address prefix A4:4F:3E:7 is registered to Vinfast Trading and Production JSC, located at Dinh Vu - Cat Hai Economic Zone, Cai Hai Island, Cat Hai Sepcial Administrative Zone, Hai Phong Hai Phong 180000, VN. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 17 April 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
A4:4F:3E:7
Registrant / Organization
Registry Chronology
Initial registration: 17 April 2026
Assignment Classification
MA-M
(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)
Registered Location
Country: Vietnam (VN)
Headquarters Registered Facility 🇻🇳 VN
Dinh Vu - Cat Hai Economic Zone
Cai Hai Island
Cat Hai Sepcial Administrative Zone
Hai Phong Hai Phong 180000
VN.
Cai Hai Island
Cat Hai Sepcial Administrative Zone
Hai Phong Hai Phong 180000
VN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/a44f3e7 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "A44F3E7",
"company": "Vinfast Trading and Production JSC",
"address": "Dinh Vu - Cat Hai Economic Zone, Cai Hai Island, Cat Hai Sepcial Administrative Zone, Hai Phong Hai Phong 180000, VN",
"country": "VN",
"blockStart": "A44F3E700000",
"blockEnd": "A44F3E7FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2026-04-17",
"isRand": false,
"isPrivate": false
}