190.89.136.35
IP Intelligence Briefing: 190.89.136.35
Date: 2026-06-06
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**1. Core Profile**
- Risk Score: 80 (High Risk)
- Owner: T. R. TELECOMUNICACOES LTDA (AS270368, Brazil)
- Geolocation: Votuporanga, São Paulo, Brazil (BR)
- Network Role: Residential endpoint (subnet: 190.89.136.0/23)
- Threat Indicators: No direct malicious activity detected (no indicators, campaigns, or blacklists).
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**2. Observation History**
- Recent Signals (Last 30 Days):
- DNSSEC validation and CAA records flagged as "Minimal" risk.
- Subnet abuse density: 0.3085 (moderate risk).
- DNS resolution errors observed (e.g., timeouts to 192.168.2.108).
- No persistent malicious behavior or campaign correlations.
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**3. Network Relationships**
- Shared Subnet: 190.89.136.0/24 (abuse density: 0.222).
- Neighbors:
- 99 IPs in subnet (22 high-risk, 69 medium, 8 low).
- Notable high-risk neighbors: 190.89.136.44 (risk score 80).
- DNS Associations: Multiple failed DNS queries (likely internal or misconfigured).
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**4. Subnet Analysis**
- Abuse Density: 0.3085 (mixed classification, 12 inherited risks).
- Active Siblings: 27 IPs (29 flagged as threats).
- Residential Dominance: 94% of subnet IPs are residential.
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**5. Recommended Actions**
- Monitor: Track DNS resolution issues and subnet activity for lateral movement.
- Segment: Isolate residential traffic if unusual behavior emerges.
- Investigate: Correlate with high-risk neighbors (e.g., 190.89.136.44) for potential network compromise.
- Verify: Confirm ownership legitimacy via RIR (LACNIC) and check for ISP-reported abuse.
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Conclusion: This IP is part of a residential subnet with moderate abuse density. While no direct threats are detected, its association with high-risk neighbors and DNS anomalies warrants closer monitoring. Further investigation into subnet activity is recommended.
*Generated by IPDebrief Threat Intelligence Platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | T. R. TELECOMUNICACOES LTDA |
| ASN | AS270368 |
| Network Name | 378879 |
| CIDR Block | 190.89.136.0/23 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Web Server |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | lighttpd/1.4.39 |
| 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 | 3 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 25% | 1 | 3 |
| geolocation | 33% | 2 | 4 |
| Overall | 23% | 9 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-05-13 06:37:55 UTC |
| Last Seen | 2026-06-15 17:59:28 UTC |
| Profile Built | 2026-06-14 03:39:39 UTC |
| Data Freshness | Fresh |
| Signal Types | 20 |
| Total Observations | 21 |
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