209.57.0.0/16 RPKI valid
Announced by AS2914 NTT America, Inc.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS2914 NTT America, Inc. | RPKI valid | 45 | 345492914 | 2026-09-18 | 2026-09-28 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 209.57.0.0/16 | /16 | AS2914 | arin | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 209.57.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2000-07-07
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
9 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 209.57.32.0/24 v4 | AS54468 Children's Hospital Medical Center of Akron | RPKI valid | 43 | 2026-09-18 |
| 209.57.128.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.144.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.160.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.176.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.192.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.208.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.224.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |
| 209.57.240.0/20 v4 | AS6079 Astound (fka. RCN) | RPKI valid | 43 | 2026-09-18 |