The IEEE registry carries 2 blocks registered to TC Communications, together 16.8 million addresses, first observed 30 Jul 2008, most recently 25 Dec 2009.
Registered in US.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| B4:08:32 | MA-L | 16.8 million | US | 25 Dec 2009 |
| 00:50:C2:39:0 | IAB | 4.1 thousand | US | 30 Jul 2008 |
Every block registered to TC Communications 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.