140.247.0.0/16 RPKI valid
Announced by AS1742 Harvard University.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS1742 Harvard University | RPKI valid | 43 | 345491741742 | 2026-09-18 | 2026-09-18 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 140.247.0.0/16 | /24 | AS1742 | arin | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 140.247.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1992-09-18
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 |
|---|---|---|---|---|
| 140.247.111.0/24 v4 | AS1742 Harvard University | RPKI valid | 17 | 2026-09-18 |
| 140.247.152.0/24 v4 | AS1742 Harvard University | RPKI valid | 17 | 2026-09-18 |
| 140.247.174.0/24 v4 | AS1742 Harvard University | RPKI valid | 17 | 2026-09-18 |
| 140.247.236.0/24 v4 | AS1742 Harvard University | RPKI valid | 17 | 2026-09-18 |