| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:09:BC | MA-L | 16.8 million | 12 Feb 2004 | Utility, Inc |
| 00:16:ED | MA-L | 16.8 million | 5 Nov 2009 | Utility, Inc |
Former Digital Safety Technologies, Inc MAC address blocks
The IEEE registry once carried 2 blocks registered to Digital Safety Technologies, Inc. All 2 blocks are now registered to Utility, Inc. Utility, 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.