AS6128 CABLE-NET-1 - Cablevision Systems Corp.
🇺🇸ARINassigned
Announced Prefixes (BGP)
2,751total
2,740 IPv411 IPv6
IPv4 Addresses
Allocated (RIR)3.8M
Announced (BGP)11.1M
IPv6 Addresses
Allocated (RIR)1.2×10³⁰
Announced (BGP)3×10³⁰
Routing hygiene
Score 18/100 · Low riskRPKI ROA coverage
98.7%
10 prefixes RPKI invalid
IRR route objects
91.7%
10 prefixes registered for another origin
Hijack signals
27
10 announced against others' ROAs, 17 own announced by others
Upstreams
8
diversity 7/100
- Routes concentrated on one upstream (96% of routes)
- Announces 10 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
Based on 2,751 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Listed on the threat map (2026-10-26)
Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.
Announced Prefixes
(BGP)1,000 of 2,751|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - |
1-10 of 1,000
1 / 100
Allocated Prefixes
(RIR)51Prefix | Country | RIR | Status |
|---|---|---|---|
| 24.38.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 24.38.192.0/18 | 🇺🇸 US | ARIN | allocated |
| 24.44.0.0/14 | 🇺🇸 US | ARIN | allocated |
| 24.89.128.0/18 | 🇺🇸 US | ARIN | allocated |
| 24.146.128.0/17 | 🇺🇸 US | ARIN | allocated |
| 24.157.32.0/19 | 🇺🇸 US | ARIN | allocated |
| 24.184.0.0/14 | 🇺🇸 US | ARIN | allocated |
| 24.188.0.0/14 | 🇺🇸 US | ARIN | allocated |
| 24.228.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 24.246.96.0/19 | 🇺🇸 US | ARIN | allocated |
1-10 of 51
1 / 6
All 2,751 announced prefixes of AS6128 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS1436 | 🇺🇸HACKENSACK-MERIDIAN-HEALTH - Meridian Health System |
BGP Neighbours
(seen in AS paths)Upstreams (8)
Networks AS6128 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (3)
Networks whose own prefixes AS6128 passes on: usually its customers.
Other adjacent networks (7)
Adjacent to AS6128 in the transit part of AS paths: peers, providers or customers.
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/6128Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/6128" | jq