183.99.71.185📋 Copy

# IP Intelligence Briefing: 183.99.71.185

Classification: Low Risk – Mobile Endpoint

Date of Analysis: 2026-06-23

Prepared For: SOC Operations Team

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## Executive Summary

IP address 183.99.71.185 is a low-risk mobile endpoint assigned to South Korea's APNIC region. The IP operates within the KT Corporation (KT) mobile network infrastructure and is classified as firewalled with no active services. Historical monitoring indicates minimal threat persistence, and no known malicious campaigns correlate with this address.

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## Technical Profile

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## Threat Assessment

Current Threat Status

• Abuse Confidence: Not applicable
• Blacklist Count: 0
• Known Campaigns: None
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No

Control Plane Analysis

• BGP Prefix: 183.96.0.0/13
• DNSSEC Valid: Yes
• DNSBL Listed: 1 of 8 total lists
• Operator Score: 0.1304 (Minimal)
• Route Stability: Unstable (isRouteStable: false)

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## Network Neighborhood Analysis

Subnet: 183.99.71.185/24

Classification: Mostly Clean

Abuse Density: 1 (Low)

Total Siblings: 1

Active Siblings: 0

Threat Siblings: 1

The immediate /24 subnet demonstrates minimal abuse activity with a single threat sibling observed historically. No neighboring IPs currently show active threat indicators.

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## Relationship Graph

The IP exhibits 14 relationship entries, all classified as "Same Network" pointing to KORNET-KR. This indicates the IP is part of a larger network infrastructure managed under the same organizational entity, with no cross-network relationships detected.

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## Observation History

Total Observations: 15

Time Range: 2026-06-17 to 2026-06-23

Signal Types Monitored:

• Threat indicators
• Routing signals
• Service scans
• Ownership verification
• Reputation scoring
• Geolocation validation

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Is Persistently Malicious: No
• Threat Observation Count: 1

The IP has demonstrated stable characteristics with no significant ownership changes or persistent malicious behavior patterns over the monitoring period.

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## Service & DNS Analysis

• Open Ports: None detected
• TLS Certificate: Not available
• HTTP Title: Not available
• Forward DNS Resolution: Unconfirmed
• Hosted Domains: 0
• Email Authentication: No SPF/DMARC records
• PTR Records: None

The absence of open ports and forward DNS resolution confirms the IP is not actively hosting services or resolving to public domains.

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## Recommended Security Actions

Current Action Level: Monitor

Firewall Rules: None required at this time

Recommendations: None

Suggested Monitoring Parameters

1. Traffic Baselines: Monitor for unusual outbound connection patterns

2. Geolocation Validation: Verify traffic originates from South Korea as expected

3. Mobile Network Classification: Confirm continued mobile carrier association

4. DNSBL Watch: Monitor the 1 DNSBL listing for potential changes

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## Intelligence Narrative

This IP address represents a mobile endpoint within South Korea's telecommunications infrastructure. The low risk score (25) and absence of threat indicators suggest benign operational characteristics. The single DNSBL listing may warrant periodic review but does not indicate active malicious activity.

The mobile classification (KT Corporation LTE/5G) combined with firewalled status and no open services indicates this endpoint is likely a consumer or enterprise mobile device. The absence of persistent malicious behavior across 15 observation cycles supports classification as low-risk infrastructure.

Actionable Intelligence: No immediate blocking or mitigation required. Standard monitoring protocols apply.

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Data Sources: IPDebrief Intelligence Platform

Analysis Confidence: High (multiple validation signals)

Next Review: 30 days or upon threat indicator emergence

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