The IEEE registry carries 2 blocks registered to EFENTO T P SZYDŁOWSKI K ZARĘBA SPÓŁKA JAWNA, together 1.1 million addresses, first observed 7 Aug 2016, most recently 22 Oct 2017.
Registered in PL.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 28:2C:02:4 | MA-M | 1 million | PL | 22 Oct 2017 |
| 70:B3:D5:1B:B | MA-S | 4.1 thousand | PL | 7 Aug 2016 |
Every block registered to EFENTO T P SZYDŁOWSKI K ZARĘBA SPÓŁKA JAWNA 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.