131.175.192.0/18 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 |
|---|---|---|---|---|---|
| AS198949 Radware | no ROA | 35 | 345491299198949 | 2026-09-18 | 2026-09-24 |
| AS137 Consortium GARR | no ROA | 8 | 377216461137 | 2026-09-18 | 2026-09-24 |
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
- 131.175.0.0/16
- RIR
- RIPENCC
- Country
- 🇮🇹 IT
- Status
- assigned
- Allocated
- 1988-12-19
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 131.175.0.0/16 v4 | AS137 Consortium GARR | no ROA | 43 | 59919137 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-24 16:22:38Z | origin change | AS137 → AS198949 | 8522914198949 |
| 2026-09-24 15:07:40Z | origin change | AS198949 → AS137 | 328840327727174137137137 |
| 2026-09-24 11:40:49Z | origin change | AS137 → AS198949 | 8522914198949 |
| 2026-09-24 10:53:48Z | origin change | AS198949 → AS137 | 377216461137 |
| 2026-09-23 18:39:14Z | origin change | AS137 → AS198949 | 149073356198949 |
| 2026-09-23 06:57:36Z | origin change | AS198949 → AS137 | 5991912779137 |
| 2026-09-22 11:29:36Z | origin change | AS137 → AS198949 | 557202914198949 |
| 2026-09-22 10:41:48Z | origin change | AS198949 → AS137 | 328840327727174137137137 |
| 2026-09-22 10:09:41Z | origin change | AS137 → AS198949 | 8522914198949 |
| 2026-09-22 09:42:48Z | origin change | AS198949 → AS137 | 328840327727174137137137 |
| 2026-09-22 07:28:50Z | origin change | AS137 → AS198949 | 8522914198949 |
| 2026-09-22 00:06:13Z | origin change | AS198949 → AS137 | 328840327727174137137137 |
| 2026-09-21 07:38:13Z | origin change | AS137 → AS198949 | 49673204851299198949 |
| 2026-09-19 08:44:21Z | origin change | AS198949 → AS137 | 328840327727174137137137 |
| 2026-09-19 08:30:32Z | origin change | AS137 → AS198949 | 295041593590022914198949 |
| 2026-09-18 14:03:25Z | origin change | AS198949 → AS137 | 328840327727174137137137 |