102.129.51.159📋 Copy

# IP Intelligence Briefing: 102.129.51.159/32

Date: 2026-07-31

Classification: Network Intelligence Summary

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## Executive Summary

IP address 102.129.51.159 is registered to organization Jacobus De Beer and is geolocated to Vanderbijlpark, Gauteng Province, South Africa (ZA). The endpoint operates in a firewalled state with no active services, presenting a low-risk profile despite moderate subnet-level abuse activity.

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## Ownership and Registration

• Organization: Jacobus De Beer
• Network Block: 102.129.51.0 - 102.129.51.255 (102.129.51.0/24)
• RIR Registry: afriNIC
• ASN: Not assigned / Unregistered
• Abuse Contact: Not provided

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## Geolocation Intelligence

• Country: South Africa (ZA)
• Region: Gauteng
• City: Vanderbijlpark
• Coordinates: -26.7005, 27.8179
• Geo Consensus: Confirmed

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## Network State and Services

• Service Status: Firewalled / No Services
• Open Ports: None detected
• TLS Certificates: None
• Hosted Domains: None
• DNS Resolution: Forward resolution failed
• PTR Records: None

The endpoint shows no active network services, indicating either a dormant address or a protected/firewalled host.

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## Threat Posture

• Risk Score: 0 (Low Risk)
• Reputation: Low Risk
• Blacklist Status: Clean (0 listings)
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Campaign Indicators: None detected

Historical Signal Activity: 11 observations recorded, most recent on 2026-07-31. Historical data indicates 4 blacklist listings with high severity noted during earlier observations, though current profile shows zero active listings.

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## Neighborhood Analysis

The /24 subnet (102.129.51.0/24) contains 83 neighboring IPs with the following distribution:

• High Risk Neighbors: 3
• Medium Risk Neighbors: 53
• Low Risk Neighbors: 26
• Subnet Abuse Density: 3.6%

Notable high-risk siblings include:

• 102.129.51.2 (Risk: 55, Authority: 60)
• 102.129.51.9 (Risk: 40, Authority: 60)
• 102.129.51.10 (Risk: 55, Authority: 60)

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## Control Plane Intelligence

• Route Stability: Unstable
• BGP Prefix: Not resolved
• RPKI State: Not resolved
• DNSSEC: Not validated
• MOAS Status: Not monitored
• IRR Consistency: Not verified

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## Recommended Actions

1. Block Decision: No immediate action required. The IP presents low individual risk despite subnet-level activity.

2. Monitoring: Monitor subnet 102.129.51.0/24 for emerging high-risk activity, particularly IPs 102.129.51.2, 102.129.51.9, and 102.129.51.10.

3. Historical Context: Review historical blacklist listings (4 lists flagged with high severity) to determine if patterns correlate with current traffic.

4. Subnet Context: The 3.6% abuse density suggests moderate network-level activity; consider evaluating entire /24 block if traffic patterns indicate concern.

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Analysis Note: This endpoint shows no active malicious indicators. The low risk score (0) combined with firewalled status and clean current blacklist status supports a permissive stance. However, SOC teams should monitor the parent subnet for broader context, particularly given the presence of 3 high-risk neighbors within the same /24 block.

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