Vendor name: Espressif Inc.

MAC Prefix: B4:8A:0A

MAC Range: B4:8A:0A:00:00:00 - B4:8A:0A:FF:FF:FF

Type: MA-L

Address: Room 204, Building 2, 690 Bibo Rd, Pudong New Area
　　　　　Shanghai Shanghai 201203
　　　　　 CN