| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:50:C2:59:7 | IAB | 4.1 thousand | 30 Jul 2008 | Nautel LTD |
| 40:D8:55:01:9 | IAB | 4.1 thousand | 14 Oct 2012 | Nautel LTD |
| 70:B3:D5:87:C | MA-S | 4.1 thousand | 28 Jan 2018 | Nautel LTD |
Former Nautel Limited MAC address blocks
The IEEE registry once carried 3 blocks registered to Nautel Limited. All 3 blocks are now registered to Nautel LTD. Nautel 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.