209.251.48.0/21 no ROA
Announced by AS19693 Centrilogic, Inc.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS19693 Centrilogic, Inc. | no ROA | 42 | 37721291419693 | 2026-09-18 | 2026-10-22 |
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
- 209.251.48.0/20
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2008-03-25
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 |
|---|---|---|---|---|
| 209.251.48.0/23 v4 | AS19693 Centrilogic, Inc. | no ROA | 42 | 2026-09-18 |
| 209.251.50.0/24 v4 | AS14453 ADVANCED KNOWLEDGE NETWORKS | no ROA | 43 | 2026-09-18 |
| 209.251.51.0/24 v4 | AS19693 Centrilogic, Inc. | no ROA | 42 | 2026-09-18 |
| 209.251.52.0/22 v4 | AS19693 Centrilogic, Inc. | no ROA | 42 | 2026-09-18 |