75.128.191.159
Analysts assessed IP 75.128.191.159 as a low-risk residential endpoint associated with Charter Communications LLC (ASN 20115). The address resolved to a Spectrum hostname within the Alpena, Michigan region, though geolocation data contradicted RTT physics measurements indicating a distance of 6370.5km against a minimum possible RTT of 127.4ms. While one DNSBL listing was detected across eight total lists, the IP lacked active attacker indicators, honeypot hits, or open ports. Behavioral analysis confirmed standard residential internet connection characteristics. Due to data inconsistencies and signal contradictions, analysts recommended monitoring the address for potential changes in activity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Charter Communications LLC |
| ASN | AS20115 |
| Network Name | RCH-MN-75-128-176 |
| CIDR Block | 75.128.176.0/20 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | syn-075-128-191-159.res.spectrum.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | syn-075-128-191-159.res.spectrum.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 50% | 2 | 3 |
| reputation | 25% | 1 | 1 |
| geolocation | 35% | 2 | 2 |
| Overall | 34% | 10 | 11 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-10 01:12:17 UTC |
| Last Seen | 2026-09-10 01:12:17 UTC |
| Profile Built | 2026-09-10 01:25:59 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 23 |
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