38.253.88.0/24 no ROA
Announced by AS174 Cogent Communications, LLC.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | no ROA | 41 | 34549174 | 2026-09-18 | 2026-11-05 |
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
- πΊπΈ 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 |
|---|---|---|---|
| 2026-10-26 21:44:48Z | origin change | AS272027 β AS174 | 6121869391299174 |
| 2026-10-26 21:44:40Z | origin change | AS174 β AS272027 | 612186939676221559271945269931272027 |
| 2026-10-26 21:44:39Z | origin change | AS272027 β AS174 | 33331257174 |
| 2026-10-26 21:44:14Z | origin change | AS174 β AS272027 | 6121869391295621559271945269931272027 |
| 2026-10-26 21:44:12Z | origin change | AS272027 β AS174 | 57821125863257174 |
| 2026-10-26 21:44:10Z | origin change | AS174 β AS272027 | 612186939676221559271945269931272027 |
| 2026-10-26 02:40:12Z | origin change | AS272027 β AS174 | 328840327727174 |
| 2026-10-25 12:30:37Z | origin change | AS174 β AS272027 | 5782112586325721559271945269931272027 |
| 2026-10-23 20:03:13Z | origin change | AS272027 β AS174 | 244826453174 |
| 2026-10-23 09:21:53Z | origin change | AS174 β AS272027 | 5782112586325721559271945269931272027 |
| 2026-10-23 05:42:13Z | origin change | AS272027 β AS174 | 460875751299174 |
| 2026-10-23 00:50:36Z | origin change | AS174 β AS272027 | 6121869391295621559271945269931272027 |
| 2026-10-22 21:53:59Z | origin change | AS272027 β AS174 | 49432483621299174 |
| 2026-10-22 18:27:52Z | origin change | AS174 β AS272027 | 5782112586325721559271945269931269931272027 |