38.145.100.0/23 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 | 39 | 34549174 | 2026-09-18 | 2026-09-20 |
| AS395111 KVCHOSTING.COM LLC | no ROA | 2 | 7018394896395111 | 2026-09-18 | 2026-09-20 |
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
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 38.145.100.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.145.101.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-19 15:56:08Z | origin change | AS395111 → AS174 | 328840327727174 |
| 2026-09-19 09:39:45Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 09:04:15Z | origin change | AS395111 → AS174 | 377211299174 |
| 2026-09-19 09:01:45Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 08:43:19Z | origin change | AS395111 → AS174 | 328840327727174 |
| 2026-09-19 08:37:14Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 08:15:04Z | origin change | AS395111 → AS174 | 328840327727174 |
| 2026-09-19 08:04:39Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 07:44:03Z | origin change | AS395111 → AS174 | 328840327727174 |
| 2026-09-19 07:41:16Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 07:35:12Z | origin change | AS395111 → AS174 | 377211299174 |
| 2026-09-19 07:17:09Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 07:14:01Z | origin change | AS395111 → AS174 | 37721174 |
| 2026-09-19 06:52:41Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 06:46:34Z | origin change | AS395111 → AS174 | 377211299174 |
| 2026-09-19 06:29:06Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 06:16:28Z | origin change | AS395111 → AS174 | 37721174 |
| 2026-09-19 06:15:17Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 06:15:16Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 06:13:30Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 06:13:28Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 06:03:10Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 06:00:23Z | origin change | AS395111 → AS174 | 377211299174 |
| 2026-09-19 05:59:05Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 05:13:50Z | origin change | AS395111 → AS174 | 37721174 |
| 2026-09-19 04:54:51Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 04:46:51Z | origin change | AS395111 → AS174 | 377211299174 |
| 2026-09-19 04:39:21Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 04:13:33Z | origin change | AS395111 → AS174 | 37721174 |
| 2026-09-19 04:11:57Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 04:11:56Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 04:08:34Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 04:08:32Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 04:05:33Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 04:05:32Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 03:43:36Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 03:43:35Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 03:20:38Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 03:20:37Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 03:10:16Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 03:10:13Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 03:00:59Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 02:58:28Z | origin change | AS395111 → AS174 | 377211299174 |
| 2026-09-19 02:54:19Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 02:29:23Z | origin change | AS395111 → AS174 | 37721174 |
| 2026-09-19 02:12:22Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 02:12:20Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 02:04:21Z | origin change | AS174 → AS395111 | 7018394896395111 |
| 2026-09-19 02:04:20Z | origin change | AS395111 → AS174 | 7018174 |
| 2026-09-19 02:00:57Z | origin change | AS174 → AS395111 | 7018394896395111 |