| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:18:68 | MA-L | 16.8 million | 13 Jun 2006 | Cisco SPVTG |
| 00:19:47 | MA-L | 16.8 million | 14 Aug 2006 | Cisco SPVTG |
| 00:1B:D7 | MA-L | 16.8 million | 8 Apr 2007 | Cisco SPVTG |
| 00:1E:6B | MA-L | 16.8 million | 22 Oct 2007 | Cisco SPVTG |
Former Scientific Atlanta, A Cisco Company MAC address blocks
The IEEE registry once carried 4 blocks registered to Scientific Atlanta, A Cisco Company. All 4 blocks are now registered to Cisco SPVTG. Cisco SPVTG took over all of them.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.