Siemens Numerical Control Ltd., Nanjing

Siemens Numerical Control Ltd., Nanjing holds 2 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 Numerical Control Ltd., Nanjing draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: 18 Runhuai Road, Lishui Zone Nanjing CN 211200

All 2 prefixes

• 00:1C:0600:1C:06:00:00:00 – 00:1C:06:FF:FF:FF
• E8:EF:22E8:EF:22:00:00:00 – E8:EF:22:FF:FF:FF

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