38.236.136.0/21 no ROA
Announced by AS52772 SJNET TELECOMUNICACOES - EIRELI.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS52772 SJNET TELECOMUNICACOES - EIRELI | no ROA | 11 | 37721693952772 | 2026-09-18 | 2026-10-10 |
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 |
|---|---|---|---|---|---|
| 38.236.128.0/20 v4 | AS52772 SJNET TELECOMUNICACOES - EIRELI | no ROA | 12 | 3772152772 | 2026-09-18 |
| 38.236.128.0/19 v4 | AS52772 SJNET TELECOMUNICACOES - EIRELI | no ROA | 24 | 2448252772 | 2026-09-18 |
| 38.236.128.0/19 v4 | AS174 Cogent Communications, LLC | no ROA | 19 | 58057174 | 2026-09-18 |
| 38.0.0.0/8 v4 | AS174 Cogent Communications, LLC | no ROA | 43 | 34549174 | 2026-09-18 |
More specific routes
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 38.236.136.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.137.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.138.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.139.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.140.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.141.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.142.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |
| 38.236.143.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 2026-09-18 |