| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:0F:20 | MA-L | 16.8 million | 23 Jan 2004 | Hewlett Packard |
| 00:11:85 | MA-L | 16.8 million | 5 Jun 2004 | Hewlett Packard |
Former WW Ops MAC address blocks
The IEEE registry once carried 2 blocks registered to WW Ops. All 2 blocks are now registered to Hewlett Packard. Hewlett Packard 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.