MAC address B4:AB:F3:E (RANG DONG LIGHT SOURCE & VACUUM FLASK J.S.C)

MAC address prefix B4:AB:F3:E is registered to RANG DONG LIGHT SOURCE & VACUUM FLASK J.S.C, located at 87 - 89 Ha Dinh Str, Khuong Dinh Ward, Hanoi, Vietnam, Hanoi 10000, 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 19 December 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
B4:AB:F3:E
Registrant / Organization
RANG DONG LIGHT SOURCE & VACUUM FLASK J.S.C
Registry Chronology
Initial registration: 19 December 2025
Assignment Classification
MA-M

(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)

Registered Location

MAC Address Vendor Country Vietnam (VN) map
Country: Vietnam (VN)
Headquarters Registered Facility 🇻🇳 VN
87 - 89 Ha Dinh Str
Khuong Dinh Ward
Hanoi
Vietnam
Hanoi 10000
VN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/b4abf3e -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "B4ABF3E",
  "company": "RANG DONG LIGHT SOURCE & VACUUM FLASK J.S.C",
  "address": "87 - 89 Ha Dinh Str, Khuong Dinh Ward, Hanoi, Vietnam, Hanoi  10000, VN",
  "country": "VN",
  "blockStart": "B4ABF3E00000",
  "blockEnd": "B4ABF3EFFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2025-12-19",
  "isRand": false,
  "isPrivate": false
}