MAC address E4:B7:31 (Hangzhou Advance IOT Connectivity System Co., Ltd.)

MAC address prefix E4:B7:31 is registered to Hangzhou Advance IOT Connectivity System Co., Ltd., located at Room 406, building 1, No. 4280, South Ring Road, Puyan street, Binjiang District, Hangzhou Zhejiang 310051, CN. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 22 July 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
E4:B7:31
Registrant / Organization
Hangzhou Advance IOT Connectivity System Co., Ltd.
Registry Chronology
Initial registration: 22 July 2025
Assignment Classification
MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

MAC Address Vendor Country China (CN) map
Country: China (CN)
Headquarters Registered Facility 🇨🇳 CN
Room 406
building 1
No. 4280
South Ring Road
Puyan street
Binjiang District
Hangzhou Zhejiang 310051
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/e4b731 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "E4B731",
  "company": "Hangzhou Advance IOT Connectivity System Co., Ltd.",
  "address": "Room 406, building 1, No. 4280, South Ring Road, Puyan street, Binjiang District, Hangzhou Zhejiang 310051, CN",
  "country": "CN",
  "blockStart": "E4B731000000",
  "blockEnd": "E4B731FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-07-22",
  "isRand": false,
  "isPrivate": false
}