Devices with MAC addresses that start with 00-1B-1B were manufactured by Siemens AG,

Device Manufacturer
Siemens AG,
Manufacturer Location
I IA SC MF-K PE 3
76187 Karlsruhe Baden Wuerttemberg
Estimated Devices using 00-1B-1B
16,256,250
Estimated Total Devices From Mfg
16,256,250
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