| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:0B:A2 | MA-L | 16.8 million | 19 Nov 2002 | Sumitomo Electric Industries, Ltd |
| 00:25:DC | MA-L | 16.8 million | 12 Apr 2009 | Sumitomo Electric Industries, Ltd |
Former Sumitomo Electric Networks, Inc MAC address blocks
The IEEE registry once carried 2 blocks registered to Sumitomo Electric Networks, Inc. All 2 blocks are now registered to Sumitomo Electric Industries, Ltd. Sumitomo Electric Industries, Ltd 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.