EFM Networks MAC address blocks
The IEEE registry carries 8 blocks registered to EFM Networks, together 134 million addresses, first observed 14 Dec 2001, most recently 20 Mar 2024.
Registered in KR.
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 |
| 00:08:9F | MA-L | 16.8 million | KR | 14 Dec 2001 |
| 00:26:66 | MA-L | 16.8 million | KR | 7 Jun 2009 |
| 58:86:94 | MA-L | 16.8 million | KR | 17 Sep 2020 |
| 64:E5:99 | MA-L | 16.8 million | KR | 10 Feb 2013 |
| 70:5D:CC | MA-L | 16.8 million | KR | 7 Jul 2018 |
| 88:36:6C | MA-L | 16.8 million | KR | 8 Jul 2016 |
| 90:9F:33 | MA-L | 16.8 million | KR | 9 Jul 2014 |
| B0:38:6C | MA-L | 16.8 million | KR | 20 Mar 2024 |
Every block registered to EFM Networks 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.