191.37.11.26📋 Copy

# Intelligence Briefing: 191.37.11.26

## Executive Summary

IP address 191.37.11.26 presents a low-risk profile with a risk score of 30. The address is registered to DESEMPENHO PROVEDOR DE INTERNET (ASN 263348) in Cantagalo, Paraná, Brazil. No active threat indicators or malicious behavior were observed during assessment.

## Network Identity and Ownership

• ASN: 263348 (DESEMPENHO PROVEDOR DE INTERNET)
• Network Block: 191.37.8.0/22
• Geolocation: Brazil (BR), Paraná, Cantagalo
• Classification: Infrastructure provider network

## Threat Assessment

Risk Level: Low (Risk Score: 30)

Threat Indicators:

• No threat indicators detected
• Not a Tor exit node, proxy, or VPN service
• No spam source designation
• Zero known campaign associations
• No active blacklisting in threat feeds

Control Plane:

• Route stable with 0 changes in the past 30 days
• DNSSEC validation enabled
• Listed on 2 out of 8 DNSBL lists (minimal operator score: 0.1304)

## Service Profile

• Open Ports: None detected
• Service Purpose: Firewalled / No Services
• TLS Certificates: None
• HTTP Services: None
• DNS Resolution: No forward resolution records

## Historical Observation Timeline

Analysis revealed 15 signal observations with the most recent activity occurring on 2026-07-29. Historical signals included:

• Port scanning activity with 0.70 confidence
• DNS resolution verification at 0.85 confidence
• Geolocation inference from multi-signal methods (0.52 confidence)
• Traceroute validation with ICMP blocked violations
• Subnet abuse density assessment at 0.75 confidence

No persistent malicious behavior patterns or ownership changes were detected across the observation period.

## Neighborhood Analysis (191.37.11.0/24)

The /24 subnet contains 21 sibling addresses with the following characteristics:

• Subnet Classification: Clean
• Abuse Density: 0.05 (5%)
• Active Siblings: 7
• Threat Siblings: 1

Risk Distribution:

• High Risk: 1 IP
• Medium Risk: 13 IPs
• Low Risk: 5 IPs

Notable Neighbors: 191.37.11.94 presents elevated risk (score: 80); multiple neighbors scored at 55 (191.37.11.51, .63, .71, .73, .75, .79, .105).

## Relationship Graph

Relationship analysis identified connections solely to the same network block (224795). No associated hostnames, organizations, or certificates were discovered.

## Recommended Actions

No immediate security actions required. The IP presents minimal threat characteristics. However, network defenders should monitor the subnet for activity from higher-risk neighbor addresses, particularly 191.37.11.94 (risk score: 80).

## Intelligence Assessment

The target IP 191.37.11.26 operates as a firewalled infrastructure address with no publicly accessible services. The low-risk profile and absence of threat indicators suggest legitimate residential or small business provider usage. No defensive blocking is recommended at this time, though continued monitoring of the /24 subnet is advised due to elevated risk concentrations among neighboring addresses.

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