| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:0F:DB | MA-L | 16.8 million | 3 Apr 2004 | Westell Technologies Inc. |
| 00:18:3A | MA-L | 16.8 million | 13 Jun 2006 | Westell Technologies Inc. |
Former Westell Technologies MAC address blocks
The IEEE registry once carried 2 blocks registered to Westell Technologies. All 2 blocks are now registered to Westell Technologies Inc.. Westell Technologies Inc. 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.