The IEEE registry carries 2 blocks registered to Tecsys do Brasil Industrial Ltda, together 8.2 thousand addresses, first observed 25 Mar 2018, most recently 11 Jun 2025.
Registered in BR.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 70:B3:D5:9A:A | MA-S | 4.1 thousand | BR | 25 Mar 2018 |
| 8C:1F:64:7D:0 | MA-S | 4.1 thousand | BR | 11 Jun 2025 |
Every block registered to Tecsys do Brasil Industrial Ltda 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.