38.147.220.0/24 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 | 28 | 37721174 | 2026-09-18 | 2026-10-20 |
| AS46887 Zayo (fka. Crown Castle) | no ROA | 13 | 34549646146887 | 2026-09-18 | 2026-10-20 |
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 | 43 | 34549174 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-20 21:48:40Z | origin change | AS174 → AS46887 | 5991912779646146887 |
| 2026-10-20 14:43:44Z | origin change | AS46887 → AS174 | 460875752914174 |
| 2026-10-20 14:42:50Z | origin change | AS174 → AS46887 | 460812214637646146887 |
| 2026-10-20 14:12:47Z | origin change | AS46887 → AS174 | 460875752914174 |
| 2026-10-20 14:09:52Z | origin change | AS174 → AS46887 | 460812214637646146887 |
| 2026-10-17 07:23:26Z | origin change | AS46887 → AS174 | 328840327727174 |
| 2026-10-16 16:08:44Z | origin change | AS174 → AS46887 | 20649934549646146887 |
| 2026-10-15 21:05:38Z | origin change | AS46887 → AS174 | 328840327727174 |
| 2026-10-15 21:05:01Z | origin change | AS174 → AS46887 | 1403577646146887 |
| 2026-10-14 05:42:00Z | origin change | AS46887 → AS174 | 328840327727174 |
| 2026-10-14 03:32:38Z | origin change | AS174 → AS46887 | 37989563001321324657646146887 |
| 2026-10-14 00:42:19Z | origin change | AS46887 → AS174 | 460875752914174 |
| 2026-10-14 00:06:19Z | origin change | AS174 → AS46887 | 460812214637646146887 |
| 2026-10-12 21:54:08Z | origin change | AS46887 → AS174 | 328840327727174 |
| 2026-10-12 21:50:03Z | origin change | AS174 → AS46887 | 599199002646146887 |
| 2026-10-12 05:57:39Z | origin change | AS46887 → AS174 | 460875752914174 |
| 2026-10-10 19:42:24Z | origin change | AS46887 → AS174 | 328840327727174 |
| 2026-10-10 19:33:57Z | origin change | AS174 → AS46887 | 48185646146887 |
| 2026-10-08 22:35:23Z | origin change | AS46887 → AS174 | 460875751299174 |
| 2026-10-08 22:35:20Z | origin change | AS174 → AS46887 | 1403577646146887 |
| 2026-10-08 22:31:46Z | origin change | AS46887 → AS174 | 33333320174 |
| 2026-10-08 17:55:33Z | origin change | AS174 → AS46887 | 612186939646146887 |
| 2026-10-08 12:00:25Z | origin change | AS46887 → AS174 | 460875751299174 |
| 2026-10-08 11:57:47Z | origin change | AS174 → AS46887 | 48185646146887 |
| 2026-10-08 11:02:12Z | origin change | AS46887 → AS174 | 35493356174 |
| 2026-10-07 22:00:27Z | origin change | AS174 → AS46887 | 599199002646146887 |
| 2026-10-07 17:57:44Z | origin change | AS46887 → AS174 | 557202914174 |
| 2026-10-07 17:55:16Z | origin change | AS174 → AS46887 | 49134533566424646146887 |
| 2026-10-07 16:18:44Z | origin change | AS46887 → AS174 | 149071299174 |
| 2026-10-07 16:09:23Z | origin change | AS174 → AS46887 | 37989563001321324657646146887 |
| 2026-10-07 10:26:00Z | origin change | AS46887 → AS174 | 2950439392174 |
| 2026-10-07 10:26:00Z | origin change | AS46887 → AS174 | 2950439392174 |
| 2026-10-07 10:25:18Z | origin change | AS174 → AS46887 | 2950415935646146887 |
| 2026-10-07 10:25:18Z | origin change | AS174 → AS46887 | 2950415935646146887 |