Devices with MAC addresses that start with DC-4F-22 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 DC-4F-22
16,256,250

Estimated Total Devices From Mfg
520,200,000