38.15.0.0/19 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 | 13 | 37721174 | 2026-09-18 | 2026-10-14 |
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
13 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 38.15.17.0/24 v4 | AS215595 SparkTech LTD | RPKI valid | 48 | 2026-09-18 |
| 38.15.18.0/24 v4 | AS215595 SparkTech LTD | RPKI valid | 48 | 2026-09-18 |
| 38.15.19.0/24 v4 | AS215595 SparkTech LTD | RPKI valid | 48 | 2026-09-18 |
| 38.15.20.0/24 v4 | AS215595 SparkTech LTD | RPKI valid | 48 | 2026-09-18 |
| 38.15.21.0/24 v4 | AS215595 SparkTech LTD | RPKI valid | 48 | 2026-09-18 |
| 38.15.23.0/24 v4 | AS215595 SparkTech LTD | no ROA | 40 | 2026-09-18 |
| 38.15.24.0/24 v4 | AS215595 SparkTech LTD | no ROA | 40 | 2026-09-18 |
| 38.15.25.0/24 v4 | AS215595 SparkTech LTD | no ROA | 40 | 2026-09-18 |
| 38.15.26.0/24 v4 | AS215595 SparkTech LTD | no ROA | 40 | 2026-09-18 |
| 38.15.27.0/24 v4 | AS215595 SparkTech LTD | no ROA | 40 | 2026-09-18 |
| 38.15.28.0/24 v4 | AS215595 SparkTech LTD | no ROA | 42 | 2026-09-18 |
| 38.15.29.0/24 v4 | AS215595 SparkTech LTD | no ROA | 42 | 2026-09-18 |
| 38.15.30.0/24 v4 | AS215595 SparkTech LTD | no ROA | 42 | 2026-09-18 |