Devices with MAC addresses that start with D4-F5-27 were manufactured by SIEMENS AG

Device Manufacturer
SIEMENS AG

Manufacturer Location
Oestliche Rheinbrückenstraße 50
Karlsruhe Baden-Württemberg 76181

Estimated Devices using D4-F5-27
16,256,250

Estimated Total Devices From Mfg
195,075,000