The IEEE registry carries 2 blocks registered to Spang Power Electronics, together 1.1 million addresses, first observed 23 Jan 2011, most recently 16 Oct 2015.
Registered in US.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:DA:E | IAB | 4.1 thousand | US | 23 Jan 2011 |
| 58:FC:DB:0 | MA-M | 1 million | US | 16 Oct 2015 |
Every block registered to Spang Power Electronics 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.