154.37.208.0/20 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 | 2026-09-20 |
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
- 154.37.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1992-02-05
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 154.36.0.0/14 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 34549174 | 2026-09-18 |
More specific routes
16 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 154.37.208.0/24 v4 | AS979 NetLab Global | no ROA | 41 | 2026-09-18 |
| 154.37.210.0/24 v4 | AS979 NetLab Global | no ROA | 41 | 2026-09-18 |
| 154.37.211.0/24 v4 | AS979 NetLab Global | no ROA | 41 | 2026-09-18 |
| 154.37.212.0/24 v4 | AS979 NetLab Global | no ROA | 42 | 2026-09-18 |
| 154.37.213.0/24 v4 | AS979 NetLab Global | no ROA | 42 | 2026-09-18 |
| 154.37.214.0/24 v4 | AS979 NetLab Global | no ROA | 42 | 2026-09-18 |
| 154.37.215.0/24 v4 | AS979 NetLab Global | no ROA | 42 | 2026-09-18 |
| 154.37.216.0/21 v4 | AS979 NetLab Global | no ROA | 40 | 2026-09-18 |
| 154.37.216.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.217.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.218.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.219.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.220.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.221.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.222.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |
| 154.37.223.0/24 v4 | AS979 NetLab Global | no ROA | 29 | 2026-09-18 |