199.4.18.0/24 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 |
|---|---|---|---|---|---|
| AS46713 THE INTERPUBLIC GROUP OF COMPANIES, INC. | no ROA | 22 | 34549646146713 | 2026-09-18 | 2026-09-27 |
| AS17044 THE INTERPUBLIC GROUP OF COMPANIES, INC. | no ROA | 20 | 50628335617044 | 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
- 199.4.16.0/21
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1993-09-24
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 |
|---|---|---|---|
| 2026-09-27 10:43:40Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 10:42:39Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 10:05:47Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 10:04:45Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 09:36:04Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 09:35:03Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 09:24:48Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 09:23:16Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 09:07:55Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 09:06:54Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:56:09Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:55:07Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:53:35Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:52:33Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:51:32Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:50:31Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:46:24Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:45:22Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:44:52Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:43:20Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:37:42Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:36:41Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:33:06Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:32:05Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:27:28Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:26:26Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:20:48Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:19:47Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 08:09:32Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 08:08:31Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 07:43:57Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 07:42:55Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 07:36:46Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 07:35:44Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 07:31:08Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 07:30:06Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 07:05:00Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 07:03:58Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 06:57:19Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 06:56:19Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 06:55:48Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 06:54:16Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 06:32:13Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 06:31:12Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 05:42:51Z | origin change | AS17044 → AS46713 | 852646146713 |
| 2026-09-27 05:32:09Z | origin change | AS46713 → AS17044 | 328840327727174335617044 |
| 2026-09-27 05:22:36Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 05:20:33Z | origin change | AS46713 → AS17044 | 380013491335617044 |
| 2026-09-27 05:19:00Z | origin change | AS17044 → AS46713 | 380013491646146713 |
| 2026-09-27 05:18:29Z | origin change | AS46713 → AS17044 | 380013491335617044 |