177.39.142.51
IP Intelligence Briefing: 177.39.142.51
Date: 2026-06-17
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**1. Risk Profile**
- Risk Score: 80 (High Risk)
- Ownership: Registered to *LagosNet Internet Banda Larga Ltda* (ASN 52769, Brazil).
- Geolocation: Belo Horizonte, Minas Gerais, Brazil (latitude/longitude unknown).
- Network Role: Single-service host running *lighttpd/1.4.39* (HTTP on port 80).
- Threat Indicators: No direct malicious activity detected (no blacklists, campaigns, or known attackers).
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**2. Observation History**
- Recent Signals (30-Day Window):
- High abuse density in its /24 subnet (177.39.142.0/24) with 66.67% abuse classification.
- Detected in 8 threat feeds (4 high-severity listings).
- Stable network configuration but flagged for DNSSEC validation and route stability.
- No persistent malicious activity or campaign correlations.
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**3. Relationships**
- Network Affiliation:
- Subnet *177.39.142.0/24* classified as "high_abuse" with 4/6 sibling IPs showing threat activity.
- Linked to ASN 52769 (LagosNet) and RIR *lacnic*.
- Service Dependencies:
- HTTP service (port 80) with lighttpd server banner. No TLS certificates or advanced HTTP features (HTTP/2, HSTS).
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 66.67% (high risk).
- Neighbor IPs (5 active in /24):
- 177.39.142.9: Risk score 55.
- 177.39.142.24: Risk score 40.
- 177.39.142.50: Risk score 55.
- 177.39.142.61: Risk score 70.
- 177.39.142.63: Risk score 55.
- Inherited Risk: 10 (subnetwork-level risk).
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**5. Recommendations**
- Monitor Subnet: High abuse density in *177.39.142.0/24* suggests potential for lateral movement or shared infrastructure risks.
- Block Unnecessary Traffic: Restrict access to this IP unless required for legitimate services (e.g., HTTP).
- Investigate Neighbors: Focus on higher-risk neighbors (e.g., 177.39.142.61) for potential threat expansion.
- Verify Service Validity: Confirm if the lighttpd service is authorized and not a decoy.
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Note: No direct malicious activity detected, but network context and subnet risk profile warrant further scrutiny.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | LagosNet Internet Banda Larga Ltda |
| ASN | AS52769 |
| Network Name | 190284 |
| CIDR Block | 177.39.140.0/22 |
| 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 | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| Closed Ports | 22, 25, 443, 3389, 8080, 8443 (1 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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 19% | 2 | 2 |
| reputation | 26% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:56 UTC |
| Last Seen | 2026-06-23 19:18:46 UTC |
| Profile Built | 2026-06-22 22:15:04 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 20 |
Full dossier details are available via our API.