Vendor name: Espressif Inc.

MAC Prefix: E4:B3:23

MAC Range: E4:B3:23:00:00:00 - E4:B3:23:FF:FF:FF

Type: MA-L

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