38.147.73.0/24 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 |
|---|---|---|---|---|---|
| AS33732 WXYZ HOSTING LLC | no ROA | 33 | 3454964614688733732 | 2026-09-18 | 2026-10-21 |
| AS174 Cogent Communications, LLC | no ROA | 9 | 37721174 | 2026-09-18 | 2026-10-21 |
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 | 42 | 34549174 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-19 11:39:29Z | origin change | AS174 → AS33732 | 138309713356646146887337323373233732 |
| 2026-10-19 09:50:54Z | origin change | AS33732 → AS174 | 37721174 |
| 2026-10-16 16:08:44Z | origin change | AS174 → AS33732 | 20649934549646146887337323373233732 |
| 2026-10-15 21:05:33Z | origin change | AS33732 → AS174 | 3492752025174 |
| 2026-10-15 21:05:19Z | origin change | AS174 → AS33732 | 1403577646146887337323373233732 |
| 2026-10-15 21:03:35Z | origin change | AS33732 → AS174 | 22652174 |
| 2026-10-13 18:11:14Z | origin change | AS174 → AS33732 | 1328253356646146887337323373233732 |
| 2026-10-13 16:46:48Z | origin change | AS33732 → AS174 | 44393394256545278126327174 |
| 2026-10-12 21:50:09Z | origin change | AS174 → AS33732 | 599199002646146887337323373233732 |
| 2026-10-12 18:36:05Z | origin change | AS33732 → AS174 | 37721174 |
| 2026-10-12 15:14:18Z | origin change | AS174 → AS33732 | 1328253356646146887337323373233732 |
| 2026-10-08 22:34:31Z | origin change | AS174 → AS33732 | 1328253356646146887337323373233732 |
| 2026-10-08 22:33:59Z | origin change | AS174 → AS33732 | 138309713356646146887337323373233732 |
| 2026-10-08 22:33:41Z | origin change | AS33732 → AS174 | 22652174 |
| 2026-10-08 22:33:29Z | origin change | AS33732 → AS174 | 3492752025174 |
| 2026-10-08 12:00:35Z | origin change | AS174 → AS33732 | 460812214637646146887337323373233732 |
| 2026-10-08 11:59:38Z | origin change | AS33732 → AS174 | 2950439392174 |
| 2026-10-08 11:42:38Z | origin change | AS174 → AS33732 | 35493356646146887337323373233732 |
| 2026-10-08 11:35:49Z | origin change | AS33732 → AS174 | 37721174 |
| 2026-10-07 17:57:33Z | origin change | AS174 → AS33732 | 557206939646146887337323373233732 |
| 2026-10-07 17:55:10Z | origin change | AS33732 → AS174 | 4913453356642464246424174 |
| 2026-10-07 16:54:14Z | origin change | AS174 → AS33732 | 1328253356646146887337323373233732 |
| 2026-10-07 16:44:30Z | origin change | AS33732 → AS174 | 37721174 |
| 2026-10-07 14:04:46Z | origin change | AS174 → AS33732 | 1328253356646146887337323373233732 |
| 2026-10-07 13:59:32Z | origin change | AS33732 → AS174 | 37721174 |
| 2026-10-07 13:02:18Z | origin change | AS174 → AS33732 | 1328253356646146887337323373233732 |