| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:1C:73 | MA-L | 16.8 million | 23 Jun 2009 | Arista Networks |
| E0:1C:A7 | MA-L | 16.8 million | 2 May 2024 | Arista Networks |
Former Arista Networks, Inc. MAC address blocks
The IEEE registry once carried 2 blocks registered to Arista Networks, Inc.. All 2 blocks are now registered to Arista Networks. Arista Networks 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.