102.64.33.103📋 Copy

# IPDebrief Intelligence Briefing

Target: 102.64.33.103/32

Classification: Moderate Risk (55/100)

Report Date: Current

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## Executive Summary

The IP address 102.64.33.103 is a South African residential/fixed-line endpoint assigned to Jacobus De Beer (ASN 327991) with a moderate risk profile. The IP shows no active threat indicators but exhibits elevated risk scoring due to DNSBL listings and regional classification. No open services or active scanning observed.

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## Ownership and Infrastructure

• Organization: Jacobus De Beer
• ASN: 327991
• CIDR Block: 102.64.33.0/24
• RIR: afriNIC
• Geolocation: Vanderbijlpark, Gauteng, South Africa (ZA)
• DNS Resolution: ms-33-103.megasurf.co.za

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## Threat Assessment

The IP's DNSBL presence (3/8 lists) is the primary contributor to its moderate risk rating. The endpoint remains classified as "Firewalled / No Services" with no active connections to external services.

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## Neighborhood Context

Subnet Analysis (102.64.33.0/24):

• Total Siblings: 100
• Active Siblings: 50
• Threat Siblings: 15
• Abuse Density: 0.15 (Low-Moderate)
• Subnet Classification: Mostly Clean
• Inherited Risk: 6/100

The /24 subnet demonstrates relatively low abuse density compared to regional norms. The target IP sits within a predominantly clean neighborhood with minimal lateral threat correlation.

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## Historical Observations

Observation Count: 18 signals

Latest Observation: 2026-07-30

Temporal Analysis: Stable profile with no significant changes in geolocation, DNS resolution, or threat indicators over the observation window. The IP has maintained consistent characteristics without emergence of new malicious behavior patterns.

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## Related Entities

• DNS Association: ms-33-103.megasurf.co.za
• Network Association: 102.64.33.0 - 102.64.33.255
• Control Plane: Origin ASN 327991, BGP prefix 102.64.32.0/21
• Route Stability: False (minor fluctuations observed)

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## Recommended Actions

Immediate Recommendations (Severity: High)

1. Monitoring Enhancement: Increase logging verbosity and review recent activity from this IP address. The elevated risk score (55/100) warrants closer observation despite lack of active threat indicators.

2. DNSBL Investigation: Investigate the 3 DNSBL listings to determine if the IP is flagged for specific abuse categories (spam, blackhole, etc.).

Firewall Rules

iptables: `iptables -A INPUT -s 102.64.33.103 -j DROP`

nftables: `nft add rule inet filter input ip saddr 102.64.33.103 drop`

nginx: `deny 102.64.33.103;`

pfSense: `102.64.33.103/32`

Cloudflare WAF: Block IP with description "IPDebrief risk score 55"

AWS WAF: Add 102.64.33.103/32 to IP set with description "IPDebrief risk 55"

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## Conclusion

IP 102.64.33.103 represents a moderate-risk endpoint with no confirmed malicious activity but elevated risk scoring due to DNSBL presence. The IP's residential/fixed-line nature and South African geolocation place it in a low-to-moderate threat context. Enhanced monitoring is recommended, and blocking may be warranted depending on organizational risk tolerance and the specific DNSBL listings involved.

Analysis Complete.

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