144.74.16.0/21 no ROA
Announced by AS25978 Rush University Medical Center.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS25978 Rush University Medical Center | no ROA | 41 | 34549646125978 | 2026-09-18 | 2026-09-28 |
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
- 144.74.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1990-11-16
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 144.74.0.0/17 v4 | AS25978 Rush University Medical Center | no ROA | 42 | 3454964614688725978 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 144.74.16.0/23 v4 | AS25978 Rush University Medical Center | no ROA | 41 | 2026-09-18 |
| 144.74.20.0/23 v4 | AS25978 Rush University Medical Center | no ROA | 41 | 2026-09-18 |