38.9.210.0/23 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 | 32 | 34549174 | 2026-09-18 | 2026-10-06 |
| AS273755 Viva Net Telecom Ltda | no ROA | 9 | 24482262675273755 | 2026-09-18 | 2026-10-06 |
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 | 41 | 34549174 | 2026-09-18 |
More specific routes
4 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 38.9.210.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 33 | 2026-09-18 |
| 38.9.210.0/24 v4 | AS273755 Viva Net Telecom Ltda | no ROA | 8 | 2026-09-18 |
| 38.9.211.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 33 | 2026-09-18 |
| 38.9.211.0/24 v4 | AS273755 Viva Net Telecom Ltda | no ROA | 8 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-03 14:40:30Z | origin change | AS273755 → AS174 | 4967312389174 |
| 2026-10-03 09:13:25Z | origin change | AS174 → AS273755 | 37721137861486814868273755 |
| 2026-10-02 08:34:31Z | origin change | AS273755 → AS174 | 17639174 |
| 2026-10-01 19:05:18Z | origin change | AS174 → AS273755 | 57821125863257137861486814868273755 |
| 2026-09-30 12:07:43Z | origin change | AS273755 → AS174 | 852174 |
| 2026-09-30 11:45:35Z | origin change | AS174 → AS273755 | 37721137861486814868273755 |
| 2026-09-30 09:57:57Z | origin change | AS273755 → AS174 | 852174 |
| 2026-09-30 09:35:54Z | origin change | AS174 → AS273755 | 37721262675273755 |
| 2026-09-29 21:41:16Z | origin change | AS273755 → AS174 | 852174 |
| 2026-09-29 21:37:46Z | origin change | AS174 → AS273755 | 45049669667622235622356268624262675262675273755 |
| 2026-09-29 21:37:17Z | origin change | AS174 → AS273755 | 216285828067622235622356268624262675262675273755 |
| 2026-09-29 21:37:16Z | origin change | AS273755 → AS174 | 57821125863257174 |
| 2026-09-29 21:37:16Z | origin change | AS273755 → AS174 | 4504966965511174 |
| 2026-09-29 18:02:57Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-29 17:08:25Z | origin change | AS273755 → AS174 | 557202914174 |
| 2026-09-29 13:43:55Z | origin change | AS174 → AS273755 | 37721137861486814868273755 |
| 2026-09-29 13:06:50Z | origin change | AS273755 → AS174 | 2950439392174 |
| 2026-09-29 03:48:50Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-28 21:21:53Z | origin change | AS273755 → AS174 | 557202914174 |
| 2026-09-28 00:21:22Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 23:53:56Z | origin change | AS273755 → AS174 | 4943221551031543174 |
| 2026-09-27 22:29:59Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 21:57:14Z | origin change | AS273755 → AS174 | 4943221551031543174 |
| 2026-09-27 21:28:31Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 21:24:05Z | origin change | AS273755 → AS174 | 49432483621299174 |
| 2026-09-27 21:17:21Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 21:08:25Z | origin change | AS273755 → AS174 | 4943221551031543174 |
| 2026-09-27 15:15:27Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 15:09:07Z | origin change | AS273755 → AS174 | 149071299174 |
| 2026-09-27 05:40:55Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 03:52:02Z | origin change | AS273755 → AS174 | 17639174 |
| 2026-09-27 02:32:47Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-27 02:25:11Z | origin change | AS273755 → AS174 | 328840327727174 |
| 2026-09-26 18:33:10Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-26 18:24:22Z | origin change | AS273755 → AS174 | 328840327727174 |
| 2026-09-26 09:06:54Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-26 01:27:00Z | origin change | AS273755 → AS174 | 481851299174 |
| 2026-09-24 16:22:27Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-24 15:07:05Z | origin change | AS273755 → AS174 | 328840327727174 |
| 2026-09-24 10:04:13Z | origin change | AS174 → AS273755 | 852349122356137861486814868273755 |
| 2026-09-23 16:26:41Z | origin change | AS273755 → AS174 | 328840327727174 |
| 2026-09-23 10:56:37Z | origin change | AS174 → AS273755 | 37721137861486814868273755 |