OPTIMUM COMMUNICATIONS, INC.

Optimum international co
GLEIF verified
LEI
54930064K3612MGCER95
Registered name
OPTIMUM COMMUNICATIONS, INC.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks454 · 9,483,903 IPv4 addresses
Registered in United States (424) · Poland (3) · KZ (1) · Serbia (1)
All fragments 927 blocks across 31 clusters
Cluster ID208783593
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 54930064K3612MGCER95
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
448 0 netblocks since 2026-07-13
2026-07-13 peak 448 2026-07-19

IP Ranges (454)

showing 50 of 454 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
24.31.17.0/24 Optimum BGP ANNOUNCED ● high
24.32.0.0/20 Optimum BGP ANNOUNCED ● high
24.32.0.0/16 Optimum BGP ANNOUNCED ● high
24.32.24.0/21 Optimum BGP ANNOUNCED ● high
24.32.32.0/21 Optimum BGP ANNOUNCED ● high
24.32.130.0/24 Optimum BGP ANNOUNCED ● high
24.49.194.0/24 Optimum BGP ANNOUNCED ● high
24.49.200.0/24 Optimum BGP ANNOUNCED ● high
24.54.114.0/24 Optimum BGP ANNOUNCED ● high
24.54.116.0/24 Optimum BGP ANNOUNCED ● high
24.54.117.0/24 Optimum BGP ANNOUNCED ● high
24.54.118.0/24 Optimum BGP ANNOUNCED ● high
24.54.119.0/24 Optimum BGP ANNOUNCED ● high
24.72.175.0/24 Optimum BGP ANNOUNCED ● high
24.72.186.0/23 Optimum BGP ANNOUNCED ● high
24.75.113.0/24 Optimum BGP ANNOUNCED ● high
24.75.123.0/24 Optimum BGP ANNOUNCED ● high
24.75.124.0/24 Optimum BGP ANNOUNCED ● high
24.75.126.0/24 Optimum BGP ANNOUNCED ● high
24.121.0.0/16 Optimum BGP ANNOUNCED ● high
24.121.0.0/17 Optimum BGP ANNOUNCED ● high
24.121.83.0/24 Optimum BGP ANNOUNCED ● high
24.121.88.0/24 Optimum BGP ANNOUNCED ● high
24.121.128.0/17 Optimum BGP ANNOUNCED ● high
24.121.144.0/22 Optimum BGP ANNOUNCED ● high
24.121.148.0/22 Optimum BGP ANNOUNCED ● high
24.121.200.0/22 Optimum BGP ANNOUNCED ● high
24.156.0.0/17 Optimum BGP ANNOUNCED ● high
24.156.0.0/18 Optimum BGP ANNOUNCED ● high
24.156.15.0/24 Optimum BGP ANNOUNCED ● high
24.156.34.0/24 Optimum BGP ANNOUNCED ● high
24.156.48.0/22 Optimum BGP ANNOUNCED ● high
24.156.64.0/18 Optimum BGP ANNOUNCED ● high
24.156.86.0/23 Optimum BGP ANNOUNCED ● high
24.156.96.0/20 Optimum BGP ANNOUNCED ● high
24.156.112.0/20 Optimum BGP ANNOUNCED ● high
24.206.128.0/17 Optimum BGP ANNOUNCED ● high
24.206.202.0/24 Optimum BGP ANNOUNCED ● high
24.206.216.0/22 Optimum BGP ANNOUNCED ● high
24.206.224.0/19 Optimum BGP ANNOUNCED ● high
24.213.120.0/24 Optimum BGP ANNOUNCED ● high
24.223.86.0/24 Optimum BGP ANNOUNCED ● high
24.224.36.0/23 Optimum BGP ANNOUNCED ● high
24.224.44.0/24 Optimum BGP ANNOUNCED ● high
24.224.55.0/24 Optimum BGP ANNOUNCED ● high
24.224.56.0/24 Optimum BGP ANNOUNCED ● high
24.224.58.0/23 Optimum BGP ANNOUNCED ● high
24.224.60.0/22 Optimum BGP ANNOUNCED ● high
24.245.68.0/23 Optimum BGP ANNOUNCED ● high
24.245.72.0/22 Optimum BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
ftmojave.net vctx.org

Network trust

what's this?
RPKI hygiene: F how networks compare →
6.8% of checked blocks have valid RPKI ROA coverage (31 of 454)
Possible discrepancies (1)

These blocks are registered to Optimum international co 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.

79.101.51.0/24 /24 authorized for AS8400 — TELEKOM SRBIJA a.d.

NIC Handles

ABUSE1394-ARIN ABUSE6997-ARIN AS19108 AUIO-ARIN DUMY-RIPE DUMY-RIPE FGK-MNT KNIC-MNT NETAD233-ARIN NOC1310-ARIN NOCSU37-ARIN ORG-OIC1-RIPE +3 more