MAC address B4:DF:43:4 (Shenzhen Huizhen Fishery Co., Ltd.)

MAC address prefix B4:DF:43:4 is registered to Shenzhen Huizhen Fishery Co., Ltd., located at Room 2101, 21th Floor, Bldg 8, Qianhai Kexing Technology Park, Jinhai Road, Xixiang, Baoan, Shenzhen 518000, 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:43:4
Registrant / Organization
Shenzhen Huizhen Fishery Co., Ltd.
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
Room 2101
21th Floor
Bldg 8
Qianhai Kexing Technology Park
Jinhai Road
Xixiang
Baoan

Shenzhen 518000
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/b4df434 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "B4DF434",
  "company": "Shenzhen Huizhen Fishery Co., Ltd.",
  "address": "Room 2101, 21th Floor, Bldg 8, Qianhai Kexing Technology Park, Jinhai Road, Xixiang, Baoan, Shenzhen  518000, CN",
  "country": "CN",
  "blockStart": "B4DF43400000",
  "blockEnd": "B4DF434FFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2026-07-29",
  "isRand": false,
  "isPrivate": false
}