Devices with MAC addresses that start with 40-40-A7 were manufactured by Sony Mobile Communications Inc

Device Manufacturer
Sony Mobile Communications Inc

Manufacturer Location
4-12-3 Higashi – Shinagawa
Shinagawa-ku Tokyo 140-0002

Estimated Devices using 40-40-A7
16,256,250

Estimated Total Devices From Mfg
991,631,250