38.253.91.0/24 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
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 | 41 | 34549174 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-27 00:22:45Z | origin change | AS272027 → AS174 | 852174 |
| 2026-09-27 00:00:14Z | origin change | AS174 → AS272027 | 5782112586325721559271945269931269931269931269931272027 |
| 2026-09-26 23:59:42Z | origin change | AS272027 → AS174 | 852174 |
| 2026-09-26 23:43:28Z | origin change | AS174 → AS272027 | 612186939676221559271945269931272027 |
| 2026-09-25 12:47:24Z | origin change | AS272027 → AS174 | 852174 |
| 2026-09-25 10:59:20Z | origin change | AS174 → AS272027 | 2162858280676221559271945269931272027 |
| 2026-09-21 15:43:30Z | origin change | AS272027 → AS174 | 149071299174 |
| 2026-09-20 06:07:47Z | origin change | AS174 → AS272027 | 612186939676221559271945269931272027 |
| 2026-09-18 07:14:22Z | origin change | AS272027 → AS174 | 57381503041299174 |