Marconi Communications MAC address blocks
The IEEE registry carries 3 blocks registered to Marconi Communications, together 50.3 million addresses, first observed 22 Apr 1998.
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 |
| 00:20:48 | MA-L | 16.8 million | US | 22 Apr 1998 |
| 00:90:45 | MA-L | 16.8 million | US | 22 Apr 1998 |
| 00:A0:78 | MA-L | 16.8 million | US | 22 Apr 1998 |
Every block registered to Marconi Communications 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.