204.183.80.0/20 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 | 30 | 37721174 | 2026-09-18 | 2026-09-27 |
| AS6372 DCANet | no ROA | 9 | 345496461468876372 | 2026-09-18 | 2026-09-27 |
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
- 204.180.0.0/14
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1994-10-18
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 204.180.0.0/14 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 34549174 | 2026-09-18 |
More specific routes
16 announced prefixes inside this one
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-27 15:11:58Z | origin change | AS6372 → AS174 | 149073356174 |
| 2026-09-27 05:43:35Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-27 05:31:38Z | origin change | AS6372 → AS174 | 328840327727174 |
| 2026-09-27 04:27:20Z | origin change | AS174 → AS6372 | 14035776461468876372 |
| 2026-09-27 03:52:02Z | origin change | AS6372 → AS174 | 17639174 |
| 2026-09-27 02:57:59Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-27 02:25:10Z | origin change | AS6372 → AS174 | 328840327727174 |
| 2026-09-26 20:26:41Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-26 16:09:17Z | origin change | AS6372 → AS174 | 380013491174 |
| 2026-09-26 09:09:29Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-26 02:34:57Z | origin change | AS6372 → AS174 | 328840327727174 |
| 2026-09-25 13:04:50Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-25 10:59:35Z | origin change | AS6372 → AS174 | 21628582806762174 |
| 2026-09-24 16:25:08Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-24 10:21:24Z | origin change | AS6372 → AS174 | 491345335664241299174 |
| 2026-09-24 10:14:59Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-24 04:13:32Z | origin change | AS6372 → AS174 | 4967312389174 |
| 2026-09-23 21:55:31Z | origin change | AS174 → AS6372 | 14035776461468876372 |
| 2026-09-22 23:01:18Z | origin change | AS6372 → AS174 | 491345335664242914174 |
| 2026-09-22 15:04:57Z | origin change | AS174 → AS6372 | 29504159356461468876372 |
| 2026-09-22 14:57:17Z | origin change | AS6372 → AS174 | 2950439392174 |
| 2026-09-22 11:39:29Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-22 10:41:38Z | origin change | AS6372 → AS174 | 328840327727174 |
| 2026-09-22 10:11:50Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-22 09:42:07Z | origin change | AS6372 → AS174 | 328840327727174 |
| 2026-09-22 07:30:53Z | origin change | AS174 → AS6372 | 8526461468876372 |
| 2026-09-21 09:15:17Z | origin change | AS6372 → AS174 | 460875752914174 |
| 2026-09-21 05:51:00Z | origin change | AS174 → AS6372 | 244826461468876372 |
| 2026-09-19 08:43:19Z | origin change | AS6372 → AS174 | 328840327727174 |
| 2026-09-19 08:30:31Z | origin change | AS174 → AS6372 | 29504159356461468876372 |
| 2026-09-18 09:08:18Z | origin change | AS6372 → AS174 | 37721174 |