The IEEE registry carries 3 blocks registered to Unlimited Bandwidth LLC, together 12.3 thousand addresses, first observed 30 Jul 2008, most recently 5 May 2026.
Registered in US.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:47:9 | IAB | 4.1 thousand | US | 30 Jul 2008 |
| 8C:1F:64:3D:9 | MA-S | 4.1 thousand | US | 26 Jul 2023 |
| 8C:1F:64:84:B | MA-S | 4.1 thousand | US | 5 May 2026 |
Every block registered to Unlimited Bandwidth LLC 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.