The IEEE registry carries 2 blocks registered to Siemens Numerical Control Ltd., Nanjing, together 33.6 million addresses, first observed 8 Apr 2007, most recently 4 Aug 2022.
Registered in CN.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:1C:06 | MA-L | 16.8 million | CN | 8 Apr 2007 |
| E8:EF:22 | MA-L | 16.8 million | CN | 4 Aug 2022 |
Every block registered to Siemens Numerical Control Ltd., Nanjing in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.