38.51.236.0/24 RPKI valid 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 |
|---|---|---|---|---|---|
| AS271907 COLNETWORK C.A. | RPKI valid | 42 | 693961461271907 | 2026-09-18 | 2026-10-29 |
| AS174 Cogent Communications, LLC | RPKI invalid | 6 | 58057174 | 2026-10-09 | 2026-10-29 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 38.51.236.0/22 | /24 | AS271907 | arin | authorises it |
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 |
|---|---|---|---|---|---|
| 38.51.236.0/23 v4 | AS271907 COLNETWORK C.A. | RPKI valid | 48 | 693961461271907 | 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 |
|---|---|---|---|
| 2026-10-29 06:10:46Z | origin change | AS174 → AS271907 | 50300693961461271907 |
| 2026-10-29 06:05:38Z | origin change | AS271907 → AS174 | 50300174 |
| 2026-10-28 18:22:40Z | origin change | AS174 → AS271907 | 50300693961461271907 |
| 2026-10-28 18:12:08Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-27 07:37:34Z | origin change | AS174 → AS271907 | 693961461271907 |
| 2026-10-27 07:27:17Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-27 05:24:38Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-27 04:17:31Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-26 23:52:56Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-26 21:36:30Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-26 07:54:40Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-26 07:34:15Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-26 04:36:54Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-26 02:40:19Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-25 12:30:36Z | origin change | AS174 → AS271907 | 57821693961461271907 |
| 2026-10-25 11:10:41Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-25 06:30:15Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-25 05:21:32Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-24 17:20:52Z | origin change | AS174 → AS271907 | 852693961461271907 |
| 2026-10-24 14:02:03Z | origin change | AS271907 → AS174 | 58057174 |
| 2026-10-24 13:37:08Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-24 13:09:21Z | origin change | AS271907 → AS174 | 17639174 |
| 2026-10-22 12:52:49Z | origin change | AS174 → AS271907 | 2051412996146161461271907 |
| 2026-10-22 11:58:29Z | origin change | AS271907 → AS174 | 35493356174 |
| 2026-10-22 03:42:33Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-22 03:19:21Z | origin change | AS271907 → AS174 | 17639174 |
| 2026-10-21 12:29:41Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-21 12:18:40Z | origin change | AS271907 → AS174 | 17639174 |
| 2026-10-21 07:09:12Z | origin change | AS174 → AS271907 | 35493356676261461271907 |
| 2026-10-21 06:56:39Z | origin change | AS271907 → AS174 | 35493356174 |
| 2026-10-21 06:56:24Z | origin change | AS174 → AS271907 | 2051412996146161461271907 |
| 2026-10-21 06:56:06Z | origin change | AS271907 → AS174 | 35493356174 |
| 2026-10-21 05:47:39Z | origin change | AS174 → AS271907 | 38855693961461271907 |
| 2026-10-21 05:17:41Z | origin change | AS271907 → AS174 | 35493356174 |
| 2026-10-20 20:09:12Z | origin change | AS174 → AS271907 | 202365693961461271907 |
| 2026-10-20 19:37:07Z | origin change | AS271907 → AS174 | 328840327727174 |
| 2026-10-20 19:22:38Z | origin change | AS174 → AS271907 | 20205693961461271907 |
| 2026-10-20 19:22:38Z | origin change | AS271907 → AS174 | 34927174174 |
| 2026-10-20 19:22:38Z | origin change | AS174 → AS271907 | 2064993454961461614616146161461271907 |
| 2026-10-20 17:10:51Z | origin change | AS271907 → AS174 | 443935805750673174 |
| 2026-10-20 12:39:56Z | origin change | AS271907 → AS174 | 557209930174 |
| 2026-10-20 12:39:56Z | origin change | AS174 → AS271907 | 8522914676218678263703271907 |
| 2026-10-20 12:39:53Z | origin change | AS174 → AS271907 | 573814270812991867818678263703271907 |
| 2026-10-20 12:39:53Z | origin change | AS271907 → AS174 | 22652174 |
| 2026-10-20 12:39:48Z | origin change | AS174 → AS271907 | 4913453356693918678263703271907 |
| 2026-10-20 12:39:47Z | origin change | AS271907 → AS174 | 13830971174 |
| 2026-10-20 12:39:45Z | origin change | AS271907 → AS174 | 4967312389174 |
| 2026-10-20 12:39:45Z | origin change | AS174 → AS271907 | 852349161461614616146161461271907 |
| 2026-10-20 12:39:22Z | origin change | AS174 → AS271907 | 37721693961461271907 |
| 2026-10-20 12:39:21Z | origin change | AS271907 → AS174 | 34927174174 |