38.159.164.0/24 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 |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | no ROA | 36 | 34549174 | 2026-09-18 | 2026-10-23 |
| AS272190 I9 TELECOM | no ROA | 4 | 2448261745272190 | 2026-09-18 | 2026-10-23 |
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
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-23 09:21:49Z | origin change | AS272190 → AS174 | 57821125863257174 |
| 2026-10-23 07:58:09Z | origin change | AS174 → AS272190 | 61218693961745272190 |
| 2026-10-23 05:41:34Z | origin change | AS272190 → AS174 | 460875751299174 |
| 2026-10-23 03:08:25Z | origin change | AS272190 → AS174 | 244826453174 |
| 2026-10-23 03:08:25Z | origin change | AS174 → AS272190 | 24482103161745272190 |
| 2026-10-22 23:10:14Z | origin change | AS174 → AS272190 | 377216174561745272190 |
| 2026-10-22 23:10:13Z | origin change | AS272190 → AS174 | 244826453174 |
| 2026-10-22 23:10:13Z | origin change | AS174 → AS272190 | 6121869396174561745272190 |
| 2026-10-22 22:59:26Z | origin change | AS272190 → AS174 | 49432483621764174 |
| 2026-10-22 22:52:13Z | origin change | AS174 → AS272190 | 3772161745272190 |
| 2026-10-22 20:22:32Z | origin change | AS272190 → AS174 | 202365506736453174 |
| 2026-10-22 20:22:31Z | origin change | AS174 → AS272190 | 57381503041299129561042961745272190 |
| 2026-10-22 20:22:10Z | origin change | AS174 → AS272190 | 22652174129561042961745272190 |
| 2026-10-22 20:22:10Z | origin change | AS272190 → AS174 | 44393394256174 |
| 2026-10-22 20:22:10Z | origin change | AS272190 → AS174 | 481851299174 |
| 2026-10-22 20:22:08Z | origin change | AS174 → AS272190 | 460812214637129561042961745272190 |
| 2026-10-22 20:22:07Z | origin change | AS174 → AS272190 | 14035771299129561042961745272190 |
| 2026-10-22 20:22:07Z | origin change | AS272190 → AS174 | 14035771299174 |
| 2026-10-22 20:22:04Z | origin change | AS174 → AS272190 | 481853356129561042961745272190 |
| 2026-10-22 20:22:03Z | origin change | AS174 → AS272190 | 4913453356693961745272190 |
| 2026-10-22 20:22:02Z | origin change | AS272190 → AS174 | 503041299174 |
| 2026-10-22 20:22:02Z | origin change | AS272190 → AS174 | 1403577174 |
| 2026-10-22 20:22:01Z | origin change | AS272190 → AS174 | 57381427081299174 |
| 2026-10-22 20:22:01Z | origin change | AS174 → AS272190 | 55720693961745272190 |
| 2026-10-22 20:21:56Z | origin change | AS174 → AS272190 | 557202914129561042961745272190 |
| 2026-10-22 20:21:55Z | origin change | AS272190 → AS174 | 205141299174 |
| 2026-10-22 20:21:54Z | origin change | AS272190 → AS174 | 2040922076629169174 |
| 2026-10-22 20:21:51Z | origin change | AS272190 → AS174 | 333311366830174 |
| 2026-10-22 20:21:51Z | origin change | AS174 → AS272190 | 20205693961745272190 |
| 2026-10-22 20:21:51Z | origin change | AS272190 → AS174 | 1403577174 |
| 2026-10-22 20:21:51Z | origin change | AS272190 → AS174 | 506283356174 |
| 2026-10-22 20:21:51Z | origin change | AS174 → AS272190 | 57821125863257129561042961745272190 |
| 2026-10-22 20:21:50Z | origin change | AS174 → AS272190 | 138309713356129561042961745272190 |
| 2026-10-22 20:21:50Z | origin change | AS174 → AS272190 | 2162858280174129561042961745272190 |
| 2026-10-22 20:21:41Z | origin change | AS174 → AS272190 | 7018129561042961745272190 |
| 2026-10-22 20:21:41Z | origin change | AS272190 → AS174 | 2040922076629169174 |
| 2026-10-22 20:21:39Z | origin change | AS272190 → AS174 | 8523257174 |
| 2026-10-22 20:21:38Z | origin change | AS272190 → AS174 | 206499345496453174 |
| 2026-10-22 20:21:38Z | origin change | AS174 → AS272190 | 58057345492914129561042961745272190 |
| 2026-10-22 20:21:38Z | origin change | AS174 → AS272190 | 206499345492914129561042961745272190 |
| 2026-10-22 20:21:38Z | origin change | AS272190 → AS174 | 176399304174 |
| 2026-10-22 20:21:38Z | origin change | AS174 → AS272190 | 345492914129561042961745272190 |
| 2026-10-22 20:21:32Z | origin change | AS272190 → AS174 | 1403577174 |
| 2026-10-22 20:21:30Z | origin change | AS174 → AS272190 | 22652174129561042961745272190 |
| 2026-10-22 20:21:18Z | origin change | AS272190 → AS174 | 7018174 |
| 2026-10-22 20:21:18Z | origin change | AS174 → AS272190 | 2950439392174129561042961745272190 |
| 2026-10-22 03:19:21Z | origin change | AS272190 → AS174 | 17639174 |
| 2026-10-22 02:55:05Z | origin change | AS174 → AS272190 | 61218693961745272190 |
| 2026-10-22 02:16:56Z | origin change | AS272190 → AS174 | 57821125863257174 |
| 2026-10-22 00:25:32Z | origin change | AS174 → AS272190 | 61218693961745272190 |