| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:1C:2E | MA-L | 16.8 million | 13 May 2007 | HPN Supply Chain |
| 00:1D:B3 | MA-L | 16.8 million | 18 Aug 2007 | HPN Supply Chain |
| 00:1F:28 | MA-L | 16.8 million | 31 Dec 2007 | HPN Supply Chain |
| 00:1F:FE | MA-L | 16.8 million | 14 Apr 2008 | HPN Supply Chain |
| 00:21:F7 | MA-L | 16.8 million | 18 Jun 2008 | HPN Supply Chain |
Former ProCurve Networking by HP MAC address blocks
The IEEE registry once carried 5 blocks registered to ProCurve Networking by HP. All 5 blocks are now registered to HPN Supply Chain. HPN Supply Chain 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.