The IEEE registry carries 3 blocks registered to CAMEO COMMUNICATIONS, INC., together 50.3 million addresses, first observed 22 Apr 1998, most recently 17 Nov 2012.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:18:E7 | MA-L | 16.8 million | TW | 9 Jul 2006 |
| 00:40:F4 | MA-L | 16.8 million | US | 22 Apr 1998 |
| 18:17:25 | MA-L | 16.8 million | TW | 17 Nov 2012 |
Every block registered to CAMEO COMMUNICATIONS, INC. 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.