Devices with MAC addresses that start with B4-E6-2D were manufactured by Espressif Inc.

Device Manufacturer
Espressif Inc.

Manufacturer Location
Room 204, Building 2, 690 Bibo Rd, Pudong New Area
Shanghai Shanghai 201203

Estimated Devices using B4-E6-2D
16,256,250

Estimated Total Devices From Mfg
520,200,000