MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Shanghai Wellsun New Energy Co.,Ltd.
MAC address prefix B4:DF:43:E is registered to Shanghai Wellsun New Energy Co.,Ltd., located at Room 3073rd FloorBuilding 1No. 155 Fengxiang RoadBaoshan DistrictShanghai CityP.R.ChinaShanghai 201999CN.
This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses
The prefix was registered on 30 July 2026, and no subsequent updates have been recorded.
OUI: B4:DF:43:E
Vendor name: Shanghai Wellsun New Energy Co.,Ltd.
Address:
Assignment Type MA-M Room 307
3rd Floor
Building 1
No. 155 Fengxiang Road
Baoshan District
Shanghai City
P.R.China
Shanghai 201999
CN.
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Initial registration: 30 July 2026
