173.40.137.19
IP Intelligence Briefing: 173.40.137.19
Date: June 6, 2026
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**1. IP Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Resides in the RRHL network (AS20115) under Charter Communications Inc.
- Geolocation: Residential endpoint in Worcester, MA, USA (latitude 42.2555, longitude -71.7719).
- Network Role: Residential endpoint (no cloud, CDN, or infrastructure indicators).
- Threat Indicators: No malicious activity detected (no blacklists, campaigns, or abuse reports).
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**2. Observation History**
- Last 30 Days:
- Geolocation: Consistent with Worcester, MA, though some probes showed broader U.S. locations (accuracy radius: 2,500 km).
- Network Activity: Scanned for open ports (no vulnerabilities detected) and DNS records linked to spectrum.com.
- Abuse Density: Subnet 173.40.137.19/24 shows 0 abuse incidents over 30 days.
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**3. Network Relationships**
- Subnet: Part of 173.40.128.0/20 (Charter Communications).
- DNS Associations:
- Hostname syn-173-040-137-019.res.spectrum.com (likely a residential gateway).
- No Known Threat Links: No connections to malicious domains, organizations, or certificates.
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**4. Neighborhood Analysis**
- Subnet: 173.40.137.19/24
- Neighbor Risk:
- 0 malicious neighbors detected.
- Subnet classified as "mostly clean" with low inherited risk.
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**5. Recommended Actions**
- No Blocking Required: Low-risk residential IP with no threat indicators.
- Monitoring: Track DNS activity for anomalies (e.g., unexpected domain resolution).
- Context: Likely a legitimate user endpoint; no evidence of compromise or malicious intent.
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Conclusion:
173.40.137.19 is a low-risk residential IP owned by Charter Communications. No malicious activity, threats, or network anomalies detected. No action required; monitor for unusual behavior.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Charter Communications Inc |
| ASN | AS20115 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | syn-173-040-137-019.res.spectrum.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | syn-173-040-137-019.res.spectrum.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| 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 | 25% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 20% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-12 03:43:00 UTC |
| Last Seen | 2026-06-26 14:48:41 UTC |
| Profile Built | 2026-06-26 14:50:19 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.