204.76.172.0/24 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 |
|---|---|---|---|---|---|
| AS13620 EMBLEMHEALTH SERVICES COMPANY, LLC | no ROA | 21 | 50628335613620 | 2026-09-18 | 2026-09-30 |
| AS29863 Latisys-Denver, LLC | no ROA | 21 | 34549646129863 | 2026-09-18 | 2026-09-30 |
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
- 204.76.172.0/23
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1994-12-29
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-30 18:24:39Z | origin change | AS13620 → AS29863 | 852646129863 |
| 2026-09-30 18:08:29Z | origin change | AS29863 → AS13620 | 328840327727174335613620 |
| 2026-09-30 14:39:08Z | origin change | AS13620 → AS29863 | 852646129863 |
| 2026-09-30 14:38:36Z | origin change | AS29863 → AS13620 | 328840327727174335613620 |
| 2026-09-30 04:15:22Z | origin change | AS13620 → AS29863 | 852646129863 |
| 2026-09-30 03:49:36Z | origin change | AS29863 → AS13620 | 328840327727174335613620 |
| 2026-09-28 07:25:54Z | origin change | AS13620 → AS29863 | 852646129863 |
| 2026-09-28 07:18:44Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 06:35:14Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 06:34:12Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 05:34:48Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 05:34:17Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 05:33:16Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 05:32:14Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 05:09:12Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 05:08:11Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 05:07:40Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 05:06:39Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 04:56:55Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 04:55:53Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 04:47:41Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 04:46:39Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 04:40:32Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 04:39:30Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 04:08:16Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 04:07:15Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 04:04:11Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 04:03:09Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 03:42:10Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 03:41:08Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 03:24:45Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 03:23:44Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 03:06:20Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 03:05:18Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:59:08Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:58:07Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:57:36Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:56:04Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:54:01Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:53:00Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:46:51Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:45:49Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:40:12Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:39:10Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:29:56Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:28:55Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:28:24Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:26:52Z | origin change | AS29863 → AS13620 | 380013491335613620 |
| 2026-09-28 02:19:43Z | origin change | AS13620 → AS29863 | 380013491646129863 |
| 2026-09-28 02:18:42Z | origin change | AS29863 → AS13620 | 380013491335613620 |