Enterasys MAC address blocks
The IEEE registry carries 4 blocks registered to Enterasys, together 67.1 million addresses, first observed 8 Sep 2000, most recently 18 Feb 2011.
Registered in US.
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
| Prefix |
Block |
Addresses |
Country |
First registered |
| 00:01:F4 | MA-L | 16.8 million | US | 8 Sep 2000 |
| 00:11:88 | MA-L | 16.8 million | US | 10 Jun 2004 |
| 00:1F:45 | MA-L | 16.8 million | US | 31 Dec 2007 |
| 20:B3:99 | MA-L | 16.8 million | US | 18 Feb 2011 |
Every block registered to Enterasys 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.