| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 80:F3:EF | MA-L | 16.8 million | 10 Jan 2021 | Meta Platforms, Inc. |
| B4:17:A8 | MA-L | 16.8 million | 24 Dec 2021 | Meta Platforms, Inc. |
| C0:DD:8A | MA-L | 16.8 million | 28 Jan 2022 | Meta Platforms, Inc. |
| CC:A1:74 | MA-L | 16.8 million | 21 Jul 2022 | Meta Platforms, Inc. |
Former Facebook Technologies, LLC MAC address blocks
The IEEE registry once carried 4 blocks registered to Facebook Technologies, LLC. All 4 blocks are now registered to Meta Platforms, Inc.. Meta Platforms, 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.