Optimum Online
BGP inherited
Cluster stats
| Netblocks | 90 · 240,294 IPv4 addresses |
| All fragments | 111 blocks across 2 clusters |
| Cluster ID | 208790890 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
83
0 netblocks since 2026-07-05
2026-07-05
peak 83
2026-07-19
IP Ranges (90)
showing 50 of 90 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 24.246.128.0/18 | Optimum Online | ARIN | DIRECT ALLOCATION | ● high |
| 24.246.128.0/18 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.129.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.130.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.132.0/23 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.134.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.136.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.140.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.144.0/23 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.146.0/23 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.148.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.149.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.150.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.152.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.153.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.154.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.155.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.156.0/23 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.158.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.159.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.160.0/20 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.176.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.180.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.184.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.188.0/23 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.190.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 24.246.191.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.128.0/17 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.128.0/20 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.128.0/17 | Optimum Online | ARIN | ASSIGNMENT | ● high |
| 63.143.144.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.148.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.149.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.150.0/23 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.152.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.159.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.160.0/20 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.176.0/20 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.192.0/20 | Optimum Online | BGP | ANNOUNCED | ● high |
| 63.143.208.0/22 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.208.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.208.0/20 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.208.0/20 | Optimum Online | ARIN | DIRECT ALLOCATION | ● high |
| 64.127.209.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.210.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.211.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.212.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.215.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.216.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
| 64.127.217.0/24 | Optimum Online | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
97.8%
of checked blocks have valid RPKI ROA coverage
(88 of 90)
Possible discrepancies (2)
These blocks are registered to Optimum Online but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 144.62.128.0/17 /17 | authorized for AS6128 — Cablevision Systems Corp. |
| 148.76.192.0/19 /19 | authorized for AS6128 — Cablevision Systems Corp. |
NIC Handles
AS53488
C09025123
C10852773
OH4-ORG-ARIN
OH4-ORG-ARIN
OH4-ORG-ARIN
OPTO