149.117.72.0/21 no ROA
Announced by AS397635 Synopsys Inc.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS397635 Synopsys Inc. | no ROA | 43 | 7018397635 | 2026-09-18 | 2026-09-24 |
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
- 149.117.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1997-04-29
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
5 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 149.117.73.0/24 v4 | AS397635 Synopsys Inc. | no ROA | 43 | 2026-09-18 |
| 149.117.74.0/24 v4 | AS397635 Synopsys Inc. | no ROA | 43 | 2026-09-18 |
| 149.117.75.0/24 v4 | AS397635 Synopsys Inc. | no ROA | 43 | 2026-09-18 |
| 149.117.76.0/24 v4 | AS397635 Synopsys Inc. | no ROA | 41 | 2026-09-18 |
| 149.117.79.0/24 v4 | AS397635 Synopsys Inc. | no ROA | 41 | 2026-09-18 |