| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:50:C2:3F:3 | IAB | 4.1 thousand | 30 Jul 2008 | Hitachi Energy Germany AG |
| 30:B2:16 | MA-L | 16.8 million | 21 Nov 2017 | Hitachi Energy Germany AG |
Former ABB AG - Power Grids - Grid Automation MAC address blocks
The IEEE registry once carried 2 blocks registered to ABB AG - Power Grids - Grid Automation. All 2 blocks are now registered to Hitachi Energy Germany AG. Hitachi Energy Germany AG 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.