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 406building 1No. 4280South Ring RoadPuyan streetBinjiang DistrictHangzhou Zhejiang 310051CN.

This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses

The prefix was registered on 22 July 2025, and no subsequent updates have been recorded.

OUI: E4:B7:31

Vendor name: 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.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 22 July 2025

MAC Address Vendor Country CN map