| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:07:7C | MA-L | 16.8 million | 23 Jun 2009 | Westermo Network Technologies AB |
| 00:11:B4 | MA-L | 16.8 million | 30 Jun 2004 | Westermo Network Technologies AB |
Former Westermo Teleindustri AB MAC address blocks
The IEEE registry once carried 2 blocks registered to Westermo Teleindustri AB. All 2 blocks are now registered to Westermo Network Technologies AB. Westermo Network Technologies AB 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.