AS2003
Electric Power Research Institute
USUnknown2026-06-13
Announced prefixes 28
144.58.0.0/24144.58.1.0/24144.58.2.0/24144.58.3.0/24144.58.4.0/24144.58.5.0/24144.58.6.0/24144.58.40.0/24144.58.42.0/24144.58.43.0/24144.58.44.0/24144.58.45.0/24144.58.46.0/24144.58.48.0/24144.58.49.0/24144.58.50.0/24144.58.51.0/24144.58.96.0/22144.58.112.0/20144.58.129.0/24144.58.140.0/24144.58.144.0/24144.58.176.0/20144.58.208.0/20144.58.224.0/20144.58.240.0/21144.58.241.0/24144.58.248.0/21Snapshot history
| Date | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| 2026-11-12 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-11 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-10 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-09 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-08 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-07 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-06 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-05 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-04 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-03 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-02 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-11-01 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-31 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-30 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-29 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-28 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-27 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-26 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-25 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-24 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-23 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-22 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-21 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-20 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-19 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-18 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-17 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-16 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-15 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-14 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-13 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-12 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-11 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-10 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-09 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-08 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-07 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-06 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-05 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-04 | Electric Power Research Institute | US | Unknown | 27 |
| 2026-10-03 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-10-02 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-10-01 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-30 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-29 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-28 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-27 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-26 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-25 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-24 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-23 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-22 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-21 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-20 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-19 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-18 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-17 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-16 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-15 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-14 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-13 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-12 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-11 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-10 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-09 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-08 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-07 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-06 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-05 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-04 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-03 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-02 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-09-01 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-31 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-30 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-29 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-28 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-27 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-26 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-25 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-24 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-23 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-22 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-21 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-20 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-19 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-18 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-17 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-16 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-15 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-14 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-13 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-12 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-11 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-10 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-09 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-08 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-07 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-06 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-05 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-04 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-03 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-02 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-08-01 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-31 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-30 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-29 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-28 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-27 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-26 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-25 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-24 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-23 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-22 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-21 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-20 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-19 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-18 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-17 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-16 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-15 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-14 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-13 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-12 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-11 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-10 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-09 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-08 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-07 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-06 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-05 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-04 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-03 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-02 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-07-01 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-30 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-29 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-28 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-27 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-26 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-25 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-24 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-23 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-22 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-21 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-20 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-19 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-18 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-17 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-16 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-15 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-14 | Electric Power Research Institute | US | Unknown | 28 |
| 2026-06-13 | Electric Power Research Institute | US | Unknown | 28 |
IP-block changes
Open full filtered history →| Observed | Block | Action | Previous origins | New origins |
|---|---|---|---|---|
| 2026-10-04 | 144.58.241.0/24 | Released | AS2003 | — |
Changes page 1