173.251.0.0/17 RPKI valid
Announced by AS6128 Cablevision Systems Corp.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS6128 Cablevision Systems Corp. | RPKI valid | 43 | 244826128 | 2026-09-18 | 2026-10-12 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 173.251.0.0/17 | /24 | AS6128 | arin | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 173.251.0.0/17
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2010-06-18
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 173.251.19.0/24 v4 | AS32696 Tri State Voice & Data, LLC | RPKI valid | 42 | 2026-09-18 |
| 173.251.28.0/24 v4 | AS54004 Cablevision Lightpath LLC | RPKI valid | 42 | 2026-09-18 |
| 173.251.30.0/24 v4 | AS11737 Nu-Age Managed Services, LLC | RPKI valid | 43 | 2026-09-18 |
| 173.251.54.0/24 v4 | AS13599 Eisai Inc. | RPKI valid | 43 | 2026-09-18 |
| 173.251.60.0/24 v4 | AS22225 Prestige Brands, Inc. | RPKI valid | 42 | 2026-09-18 |
| 173.251.64.0/24 v4 | AS16884 Tourmaline Partners LLC | RPKI valid | 43 | 2026-09-18 |
| 173.251.91.0/24 v4 | AS53725 PBF Holding Company LLC | RPKI valid | 43 | 2026-09-18 |
| 173.251.111.0/24 v4 | AS53475 Maher Terminals LLC | RPKI valid | 43 | 2026-09-18 |