SIEMENS AG

SIEMENS AG holds 7 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by SIEMENS AG draw from a pool of about 117,440,512 possible MAC addresses in total.

Registered address: Oestliche Rheinbrueckenstrasse 50 Karlsruhe Baden Wuerttemberg DE 76187

All 7 prefixes

• 08:00:0608:00:06:00:00:00 – 08:00:06:FF:FF:FF
• 20:87:5620:87:56:00:00:00 – 20:87:56:FF:FF:FF
• 20:A8:B920:A8:B9:00:00:00 – 20:A8:B9:FF:FF:FF
• 30:2F:1E30:2F:1E:00:00:00 – 30:2F:1E:FF:FF:FF
• 38:4B:2438:4B:24:00:00:00 – 38:4B:24:FF:FF:FF
• 74:FC:4574:FC:45:00:00:00 – 74:FC:45:FF:FF:FF
• D4:F5:27D4:F5:27:00:00:00 – D4:F5:27:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.