MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address E0:23:3B:9 (HANET TECHNOLOGY)
MAC address prefix E0:23:3B:9 is registered to HANET TECHNOLOGY, located at 13th Floor, G-Group Tower Building, No. 5 Nguyen Thi Due, Yen Hoa Ward, HANOI 70000, 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 15 August 2025, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
E0:23:3B:9
Registrant / Organization
Registry Chronology
Initial registration: 15 August 2025
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
13th Floor
G-Group Tower Building
No. 5 Nguyen Thi Due
Yen Hoa Ward
HANOI 70000
VN.
G-Group Tower Building
No. 5 Nguyen Thi Due
Yen Hoa Ward
HANOI 70000
VN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/e0233b9 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "E0233B9",
"company": "HANET TECHNOLOGY",
"address": "13th Floor, G-Group Tower Building, No. 5 Nguyen Thi Due, Yen Hoa Ward, HANOI 70000, VN",
"country": "VN",
"blockStart": "E0233B900000",
"blockEnd": "E0233B9FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2025-08-15",
"isRand": false,
"isPrivate": false
}