154.12.208.0/21 no ROA
Announced by AS199967 Think Huge Ltd.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS199967 Think Huge Ltd | no ROA | 41 | 37721325760068199967 | 2026-09-18 | 2026-09-30 |
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
- 154.12.0.0/16
- 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 |
|---|---|---|---|---|---|
| 154.12.0.0/15 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 34549174 | 2026-09-18 |
More specific routes
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 154.12.208.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.209.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.210.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.211.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.212.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.213.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.214.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |
| 154.12.215.0/24 v4 | AS174 Cogent Communications, LLC | no ROA | 40 | 2026-09-18 |