| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:1A:38 | MA-L | 16.8 million | 29 Nov 2006 | Sanmina-SCI |
| 00:21:46 | MA-L | 16.8 million | 18 Jun 2008 | Sanmina-SCI |
Former SCI Technology MAC address blocks
The IEEE registry once carried 2 blocks registered to SCI Technology. All 2 blocks are now registered to Sanmina-SCI. Sanmina-SCI took over all of them.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.