38.51.238.0/23
Not announced anywhere the collectors can see.
Origin
No origin: this exact prefix is not in the table. Any covering route is listed below.
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 38.51.236.0/22 | /24 | AS271907 | arin | not announced |
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
3 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 38.51.238.0/24 v4 | AS174 Cogent Communications, LLC | RPKI invalid | 14 | 2026-10-09 |
| 38.51.239.0/24 v4 | AS174 Cogent Communications, LLC | RPKI invalid | 6 | 2026-10-09 |
| 38.51.239.0/24 v4 | AS271907 COLNETWORK C.A. | RPKI valid | 42 | 2026-09-18 |