| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:80:B6 | MA-L | 16.8 million | 8 Sep 2000 | Mercury Systems – Trusted Mission Solutions, Inc. |
| C8:77:8B | MA-L | 16.8 million | 8 Apr 2016 | Mercury Systems – Trusted Mission Solutions, Inc. |
Former THEMIS COMPUTER MAC address blocks
The IEEE registry once carried 2 blocks registered to THEMIS COMPUTER. All 2 blocks are now registered to Mercury Systems – Trusted Mission Solutions, Inc.. Mercury Systems – Trusted Mission Solutions, 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.