140.157.0.0/16 no ROA
Announced by AS197 RTX Corporation.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS197 RTX Corporation | no ROA | 43 | 70181341197 | 2026-10-23 | 2026-10-27 |
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
- 140.157.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1990-04-30
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
4 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 140.157.66.0/24 v4 | AS1341 Rockwell Collins, Inc. | no ROA | 44 | 2026-09-18 |
| 140.157.78.0/23 v4 | AS15063 RTX Corporation | no ROA | 43 | 2026-09-18 |
| 140.157.78.0/24 v4 | AS15063 RTX Corporation | no ROA | 44 | 2026-09-18 |
| 140.157.218.0/23 v4 | AS1341 Rockwell Collins, Inc. | no ROA | 44 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-22 10:52:52Z | new prefix | AS197 RTX Corporation | 70181341197 |