| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:23:41 | MA-L | 16.8 million | 23 Dec 2010 | Vanderbilt International (SWE) AB |
| 68:3E:02 | MA-L | 16.8 million | 1 Sep 2017 | SIEMENS AG, Digital Factory, Motion Control System |
Former SIEMENS AG MAC address blocks
The IEEE registry once carried 2 blocks registered to SIEMENS AG. They are now registered across 2 organizations: SIEMENS AG, Digital Factory, Motion Control System × 1, Vanderbilt International (SWE) AB × 1.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.