191.37.11.71
IP Intelligence Briefing: 191.37.11.71
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: 70 (High Risk)
- Ownership:
- ASN: 263348
- ISP: DESEMPENHO PROVEDOR DE INTERNET (Brazil)
- Subnet: 191.37.8.0/22
- Geolocation:
- Country: Brazil (BR)
- Region: Paraná
- City: Cantagalo
- Coordinates: Latitude -25.3, Longitude -52.15
- Network Role:
- Classified as "Firewalled / No Services"
- No active TLS/HTTP services or banners detected
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**2. Threat Indicators**
- No direct malicious activity detected:
- No indicators in threat feeds, DNS, or TLS certificates.
- Not listed in DNSBLs (4 total lists, but no confirmed abuse).
- Subnet Risk:
- Subnet 191.37.11.0/24 has 9% abuse density (low overall).
- 1 high-risk neighbor (191.37.11.46, risk score 80) and 7 medium-risk neighbors.
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**3. Observation History**
- 13 observations since 2026-06-08:
- Inferred geolocation in Brazil (confidence 52%).
- ASN 263348 (DESEMPENHO) linked to 191.37.11.0/24.
- Subnet abuse density fluctuated between 9-10% over 30 days.
- No persistent malicious activity or campaign correlations.
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**4. Relationships**
- Network Affiliation:
- Linked to network 224795 (same ISP).
- DNS/Email:
- No SPF/DKIM records or email-related risks.
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**5. Neighborhood Analysis**
- Subnet: 191.37.11.0/24
- Neighbor Risk Distribution:
- 1 high-risk (191.37.11.46, score 80)
- 7 medium-risk (scores 40–60)
- 2 low-risk (scores 0–20)
- Abuse Density: 10% (slightly above average for this region).
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**6. Recommendations**
- Monitor Subnet: Focus on 191.37.11.46 due to elevated risk.
- Block High-Risk Neighbors: Consider restricting traffic from high-risk IPs in the subnet.
- Verify ISP Activity: Confirm DESEMPENHO’s compliance with network security policies.
- Check for Enumeration: Investigate if the subnet is being probed for vulnerabilities.
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Conclusion: The IP itself is low-risk, but its subnet contains one high-risk neighbor. SOC teams should prioritize monitoring the subnet and mitigating potential lateral movement risks.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | DESEMPENHO PROVEDOR DE INTERNET |
| ASN | AS263348 |
| Network Name | 224795 |
| CIDR Block | 191.37.8.0/22 |
| 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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 24% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 13% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 15:38:22 UTC |
| Last Seen | 2026-06-08 20:30:48 UTC |
| Profile Built | 2026-06-08 20:33:57 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 15 |
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