198.251.16.0/23 no ROA
Announced by AS36319 NorthShore University HealthSystem.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS36319 NorthShore University HealthSystem | no ROA | 43 | 3772133563349136319 | 2026-09-18 | 2026-10-19 |
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
- 198.251.16.0/21
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1993-08-30
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 198.251.16.0/24 v4 | AS36319 NorthShore University HealthSystem | no ROA | 43 | 2026-09-18 |
| 198.251.17.0/24 v4 | AS36319 NorthShore University HealthSystem | no ROA | 43 | 2026-09-18 |