38.147.205.0/24 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 |
|---|---|---|---|---|---|
| AS13536 FirstLight Networks, LLC | no ROA | 32 | 50304129913536 | 2026-09-18 | 2026-10-03 |
| AS174 Cogent Communications, LLC | no ROA | 15 | 34549174 | 2026-09-18 | 2026-10-03 |
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 |
|---|---|---|---|---|---|
| 38.0.0.0/8 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 |
|---|---|---|---|
| 2026-10-03 07:16:52Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-10-03 04:48:05Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-10-03 04:39:47Z | origin change | AS174 → AS13536 | 6939377013536 |
| 2026-10-03 03:14:30Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-10-02 18:46:29Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-10-02 18:16:15Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-10-02 13:44:48Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-10-02 13:38:00Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-10-02 11:37:31Z | origin change | AS174 → AS13536 | 46086939377013536 |
| 2026-10-02 10:40:20Z | origin change | AS13536 → AS174 | 17639174 |
| 2026-10-02 10:32:01Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-10-02 08:34:31Z | origin change | AS13536 → AS174 | 17639174 |
| 2026-10-01 19:05:58Z | origin change | AS174 → AS13536 | 349276939377013536 |
| 2026-10-01 18:45:50Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-10-01 08:33:46Z | origin change | AS174 → AS13536 | 8526939377013536 |
| 2026-10-01 07:59:33Z | origin change | AS13536 → AS174 | 557202914174 |
| 2026-10-01 04:18:09Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-10-01 03:33:46Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-30 21:35:23Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-09-30 21:04:06Z | origin change | AS13536 → AS174 | 557202914174 |
| 2026-09-30 19:09:51Z | origin change | AS174 → AS13536 | 8526939377013536 |
| 2026-09-30 19:09:24Z | origin change | AS13536 → AS174 | 557202914174 |
| 2026-09-30 18:19:37Z | origin change | AS174 → AS13536 | 2089726939377013536 |
| 2026-09-30 18:08:21Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-30 15:10:40Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-09-30 14:38:57Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-30 03:51:42Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-09-30 03:50:01Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-29 17:51:28Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-09-29 17:08:25Z | origin change | AS13536 → AS174 | 557202914174 |
| 2026-09-29 00:44:45Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-09-28 21:21:53Z | origin change | AS13536 → AS174 | 557202914174 |
| 2026-09-27 05:41:00Z | origin change | AS174 → AS13536 | 8526939377013536 |
| 2026-09-27 05:32:01Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-27 04:13:08Z | origin change | AS174 → AS13536 | 8526939377013536 |
| 2026-09-27 03:52:02Z | origin change | AS13536 → AS174 | 17639174 |
| 2026-09-27 02:30:55Z | origin change | AS174 → AS13536 | 8526939377013536 |
| 2026-09-27 02:25:59Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-26 18:31:35Z | origin change | AS174 → AS13536 | 8526939377013536 |
| 2026-09-26 18:25:04Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-26 03:26:57Z | origin change | AS174 → AS13536 | 2023656939377013536 |
| 2026-09-26 02:35:52Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-24 15:59:36Z | origin change | AS174 → AS13536 | 6939377013536 |
| 2026-09-24 15:08:20Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-23 16:31:54Z | origin change | AS174 → AS13536 | 349276939377013536 |
| 2026-09-23 16:27:51Z | origin change | AS13536 → AS174 | 328840327727174 |
| 2026-09-23 07:29:08Z | origin change | AS174 → AS13536 | 46086939377013536 |
| 2026-09-23 07:29:08Z | origin change | AS13536 → AS174 | 443935805750673174 |
| 2026-09-23 07:29:00Z | origin change | AS174 → AS13536 | 4504966966939377013536 |
| 2026-09-23 07:28:55Z | origin change | AS13536 → AS174 | 557202914174 |