Optimum Online
Optimum Online (Cablevision Systems)
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 23 · 36,104 IPv4 addresses |
| Also registered under this name | 139 netblocks across 2 separate records |
| Record ID | 237299007 |
| Registry | ARIN |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 56 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (23)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 24.38.192.0/23 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 24.44.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 24.146.128.0/21 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 24.157.32.0/24 | CABLEVISION INFRASTRUCTURE | ARIN | ASSIGNMENT | ● high |
| 24.184.0.0/21 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 24.188.0.0/20 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 24.228.0.0/21 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 47.16.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 47.18.0.0/20 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 47.19.0.0/29 | AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC | ARIN | ASSIGNMENT | ● high |
| 47.20.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 67.80.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 68.192.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 69.112.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 74.88.0.0/20 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 74.90.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 104.148.128.0/21 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 104.246.0.0/21 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 107.188.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 148.74.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 148.76.0.0/23 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 173.2.0.0/22 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
| 174.44.0.0/21 | Optimum Online (Cablevision Systems) | ARIN | ASSIGNMENT | ● high |
Footprint over time
6 weekly snapshots · JSON
23
+2 netblocks since 2026-07-26
2026-07-26
peak 23
2026-09-06
Network trust
what's this?
RPKI hygiene: A
how networks compare →
95.7%
of checked blocks have valid RPKI ROA coverage
(22 of 23)
No discrepancies found among checked blocks.
NIC Handles
C02908538
C02908538
C06059344
C06151799
C06152185
C06152185
C06439725
C06542848
C06588450
C06598499
C06628610
C06628610
+44 more