165.73.139.65📋 Copy

# IP Intelligence Briefing: 165.73.139.65/32

## Executive Summary

IP address 165.73.139.65 is assigned to Nico van der Westhuizen within the 165.73.139.0/24 block. The current profile indicates low risk, but historical observations reveal conflicting geolocation data and blacklist presence. SOC analysts should monitor this IP for activity that may indicate abuse or compromise.

## Current Profile Assessment

• Risk Score: 0 (Low Risk)
• Geolocation: United States, Massachusetts (Boston), America/New_York timezone
• Ownership: Nico van der Westhuizen, 165.73.139.0 - 165.73.139.255, ARIN
• Network Classification: No services detected; classified as firewalled
• Threat Indicators: None currently active; 0 blacklist entries
• Control Plane: Unstable routing; no DNSSEC or CAA records
• DNS: No PTR records; no forward resolution; 0 hosted domains

## Historical Signal Analysis

Observation history reveals 11 signals with notable inconsistencies:

Key Observations:

• Historical data suggests South African network infrastructure (ASK Internet Technologies CC, Afrinix)
• Recent blacklist listings with high severity ratings
• Current profile shows US geolocation, creating potential spoofing or multi-location usage scenario
• No persistent threat pattern detected; threatPersistenceDays = 0

## Neighborhood Analysis

The /24 subnet (165.73.139.0/24) shows elevated abuse density:

Risk Distribution: 1 high (80), 2 medium (55, 55), 1 low (30)

Abuse Density: 0.25 (25%)

The subnet contains 4 sibling IPs with varying risk profiles. One neighbor (165.73.139.114) shows elevated risk scoring at 80.

## Relationships

• Same Network: 165.73.139.0 - 165.73.139.255
• No external entity relationships (subnets, hostnames, organizations, certificates) detected

## Recommended Actions

• Current Risk Score: 0
• Recommended Actions: None generated at this time
• Firewall Rules: Not applicable based on current risk profile

## SOC Analyst Guidance

1. Monitor Neighbor IP 165.73.139.114 (Risk Score 80) for potential coordinated activity or infrastructure sharing within the /24 block.

2. Verify Geolocation Inconsistencies: The conflict between current US geolocation and historical South African infrastructure data warrants investigation. Consider whether this indicates:

- Spoofed or falsified geolocation data

- Multi-location network infrastructure

- Legitimate migration between data centers

3. Review Blacklist History: The IP was listed on 4 of 8 blacklist entries with high severity ratings. Investigate removal status and understand the nature of previous violations.

4. Baseline Activity: Current profile shows no open ports and no active services. Monitor for emergence of services that may indicate compromised hosting or command-and-control activity.

5. Correlate with Network Context: Given the subnet's 25% abuse density, maintain awareness of neighbor IP activity patterns that may correlate with this address.

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*Intelligence generated by IPDebrief. Data reflects current state and historical observations as of briefing time.*

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