The IEEE registry carries 2 blocks registered to Toughdog Security Systems, together 1.1 million addresses, first observed 24 Aug 2017, most recently 23 Sep 2018.
Registered in US.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 9C:69:B4:B | MA-M | 1 million | US | 23 Sep 2018 |
| 70:B3:D5:A3:2 | MA-S | 4.1 thousand | US | 24 Aug 2017 |
Every block registered to Toughdog Security Systems in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.