204.157.244.0/24 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 | 37 | 34549174 | 2026-09-18 | 2026-10-27 |
| AS274131 ANDINATEL S.A.C. | no ROA | 3 | 35493356273133274131 | 2026-09-18 | 2026-10-27 |
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
- 204.157.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1994-09-21
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 204.157.0.0/16 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 |
|---|---|---|---|
| 2026-10-22 12:53:26Z | origin change | AS274131 → AS174 | 460875751299174 |
| 2026-10-22 12:33:04Z | origin change | AS174 → AS274131 | 14035773356273133274131 |
| 2026-10-22 11:06:12Z | origin change | AS274131 → AS174 | 460875751299174 |
| 2026-10-22 10:57:00Z | origin change | AS174 → AS274131 | 14035773356273133274131 |
| 2026-10-21 17:22:37Z | origin change | AS274131 → AS174 | 491345335664246461174 |
| 2026-10-21 16:11:33Z | origin change | AS174 → AS274131 | 6121869393356273133274131 |
| 2026-10-21 12:18:40Z | origin change | AS274131 → AS174 | 17639174 |
| 2026-10-20 21:16:06Z | origin change | AS174 → AS274131 | 14035773356273133274131 |
| 2026-10-20 14:43:46Z | origin change | AS274131 → AS174 | 460875751299174 |
| 2026-10-20 14:43:42Z | origin change | AS174 → AS274131 | 4608122146373356273133274131 |
| 2026-10-20 14:13:26Z | origin change | AS274131 → AS174 | 460875751299174 |
| 2026-10-20 14:11:07Z | origin change | AS174 → AS274131 | 4608122146373356273133274131 |
| 2026-10-20 13:14:13Z | origin change | AS274131 → AS174 | 460875751299174 |
| 2026-10-20 13:07:35Z | origin change | AS174 → AS274131 | 14035773356273133274131 |
| 2026-10-20 02:07:29Z | origin change | AS274131 → AS174 | 49432483621764174 |
| 2026-10-20 00:39:44Z | origin change | AS174 → AS274131 | 14035773356273133274131 |
| 2026-10-16 02:45:45Z | origin change | AS274131 → AS174 | 328840327727174 |
| 2026-10-15 21:07:09Z | origin change | AS174 → AS274131 | 14035773356273133274131 |
| 2026-10-15 09:21:01Z | origin change | AS274131 → AS174 | 21628582806762174 |
| 2026-10-15 08:03:41Z | origin change | AS174 → AS274131 | 35493356273133274131 |
| 2026-10-14 00:43:40Z | origin change | AS274131 → AS174 | 460875751299174 |
| 2026-10-14 00:06:54Z | origin change | AS174 → AS274131 | 4608122146373356273133274131 |