38.57.58.0/24 no ROA MOAS
Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | no ROA | 37 | 34549174 | 2026-09-18 | 2026-09-18 |
| AS395880 Boomerang Communications LLC | no ROA | 5 | 377216762395880 | 2026-09-18 | 2026-09-18 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 38.0.0.0/8
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1991-04-16
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 38.57.56.0/22 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 34549174 | 2026-09-18 |
| 38.0.0.0/8 v4 | AS174 Cogent Communications, LLC | no ROA | 42 | 34549174 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-18 15:17:36Z | origin change | AS395880 → AS174 | 328840327727174 |
| 2026-09-18 14:47:11Z | origin change | AS174 → AS395880 | 377216762395880 |
| 2026-09-18 14:02:32Z | origin change | AS395880 → AS174 | 328840327727174 |
| 2026-09-18 13:05:25Z | origin change | AS174 → AS395880 | 377216762395880 |
| 2026-09-18 10:05:20Z | origin change | AS395880 → AS174 | 37721174 |
| 2026-09-18 09:11:28Z | origin change | AS174 → AS395880 | 377216762395880 |
| 2026-09-18 07:14:22Z | origin change | AS395880 → AS174 | 57381503041299174 |