191.37.218.29📋 Copy

# IP Intelligence Briefing: 191.37.218.29

Classification: Low Risk / Residential Endpoint

Date: Current Analysis

Jurisdiction: Brazil (BR)

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## Executive Summary

IP address 191.37.218.29 is classified as a low-risk residential endpoint. The IP is owned by UNI TELECOM LTDA (ASN 273309) and is part of the 191.37.216.0/21 network block registered with LACNIC. Analysis reveals minimal threat indicators, with the subnet showing 0% abuse density and no active threat siblings.

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## Technical Profile

Network Classification: Residential Endpoint

ASN: 273309 (UNI TELECOM LTDA)

CIDR Block: 191.37.216.0/21

Reverse DNS: 29-218-37-191.in-addr.arpa.host.souuni.com

Geolocation: Rondônia, Jaru, Brazil (2500km accuracy radius)

Risk Metrics:

• Overall Risk Score: 25/100
• Provider Score: 0
• Authority Score: 0
• Abuse Confidence Score: Not applicable (residential)

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## Threat Indicators

Current Status: Clean

• Blacklist Status: Listed on 1 of 8 DNSBLs (minor listing)
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Active Threat Indicators: None detected
• Known Campaigns: None

Control Plane:

• Operator Score: 0.3478 (Basic)
• DNSSEC Valid: Yes
• RPKI State: Not assessed
• Route Stability: Unstable (isRouteStable: false)

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## Neighborhood Analysis

Subnet: 191.37.218.29/24

Abuse Density: 0%

Classification: Clean

Sibling Analysis:

• Total Siblings: 1
• Active Siblings: 0
• Threat Siblings: 0

No neighboring IPs returned in the immediate /24 analysis, indicating isolated residential traffic patterns typical of consumer-grade residential networks.

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## Historical Observation Trends

Observation Count: 16 signals tracked

Recent Signals (2026-07-25):

1. Subnet Classification: Clean classification maintained with 0 abuse density (confidence: 0.40)

2. Operator Assessment: Basic operator score of 0.3478 (confidence: 0.60)

3. DNS Records: CAA records present for souuni.com domain (confidence: 0.80)

4. DNSBL Listing: Single high-severity listing detected (confidence: 0.85)

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Threat Observation Count: 0
• Persistently Malicious: No

Historical data indicates stable residential usage patterns with no escalating threat behavior.

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## Network Relationships

Identified Relationships (5 total):

• Network Association: 482730 (Same Network - appears 3 times)
• DNS Association: 29-218-37-191.in-addr.arpa.host.souuni.com (DNS Association - appears 2 times)

Relationships indicate standard network infrastructure associations with no suspicious cross-referencing.

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## Services & Ports

Open Ports: None detected

TLS Certificate: Not detected

HTTP Title: Not detected

Server Banner: Not detected

No active service enumeration detected on this residential endpoint.

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## Recommended Actions

Security Posture: Monitor only (No immediate action required)

Justification:

• IP classified as residential with low risk score (25)
• Zero threat indicators in current analysis
• Clean subnet classification with 0 abuse density
• No active threat siblings in neighborhood
• Single minor DNSBL listing (likely false positive or minor policy violation)

Monitoring Recommendations:

• Continue passive monitoring for any behavioral changes
• No blocking or throttling required
• Standard residential traffic patterns expected

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Analyst Notes: This IP represents normal residential internet traffic from Brazil. The single DNSBL listing warrants periodic review but does not justify immediate blocking. Network behavior is consistent with consumer-grade residential infrastructure.

Status: CLEAR FOR ROUTING

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.