MAC address B4:DF:43:3 (Hangzhou Huasu Technology CO., LTD.)

MAC address prefix B4:DF:43:3 is registered to Hangzhou Huasu Technology CO., LTD., located at 2nd & 3rd Floor of No.3 Building, No.1418-50 Moganshan Road, Hangzhou, China, Hangzhou 310000, CN. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 29 July 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
B4:DF:43:3
Registrant / Organization
Registry Chronology
Initial registration: 29 July 2026
Assignment Classification
MA-M

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

Registered Location

MAC Address Vendor Country China (CN) map
Country: China (CN)
Headquarters Registered Facility 🇨🇳 CN
2nd & 3rd Floor of No.3 Building
No.1418-50 Moganshan Road
Hangzhou
China
Hangzhou 310000
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/b4df433 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "B4DF433",
  "company": "Hangzhou Huasu Technology CO., LTD.",
  "address": "2nd & 3rd Floor of No.3 Building, No.1418-50 Moganshan Road, Hangzhou, China, Hangzhou  310000, CN",
  "country": "CN",
  "blockStart": "B4DF43300000",
  "blockEnd": "B4DF433FFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2026-07-29",
  "isRand": false,
  "isPrivate": false
}