4.193.138.41📋 Copy

# IPDEBRIEF INTELLIGENCE BRIEFING

Target: 4.193.138.41/32

Classification: LOW RISK — Cloud Infrastructure

Report Date: 2026-08-04

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## EXECUTIVE SUMMARY

The target IP 4.193.138.41 is identified as Microsoft Azure cloud infrastructure hosted in Singapore. Risk scoring indicates LOW RISK (25/100) with no active malicious indicators. The IP resides in a clean subnet with zero abuse density and exhibits normal cloud provider behavior.

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## NETWORK OWNERSHIP & GEOLOCATION

• ASN: 8075 (Microsoft Corporation, MSFT)
• CIDR Block: 4.192.0.0/12
• Organization: Microsoft Corporation
• Location: Singapore, SG (1.35°N, 103.82°E)
• Timezone: Asia/Singapore
• Infrastructure Type: CloudCompute (Microsoft Azure)
• Connection Type: Firewalled / No Services

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## THREAT ASSESSMENT

• Risk Score: 25 (Low Risk)
• Abuse Confidence Score: Not available
• Blacklist Status: Listed on 1 of 8 threat feeds (max severity: high)
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Campaign Correlations: 0 correlated IPs

Key Findings:

• No active threat indicators detected
• No known malicious campaigns
• No evidence of reconnaissance or scanning activity
• Single historical blacklist listing detected with high severity classification

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## NETWORK BEHAVIOR & SERVICES

• Open Ports: None detected
• TLS Certificate: Not detected
• HTTP Banner: No banner data
• DNS PTR Hostnames: None
• Forward Resolution: 0 hostnames
• Infrastructure Status: Cloud-hosted, service purposes limited to firewalled/no services

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## SUBNET ANALYSIS (4.193.138.0/24)

• Abuse Density: 0 (Clean)
• Total Siblings: 1 (target IP only)
• Active Siblings: 1
• Threat Siblings: 0
• Risk Classification: Clean
• Neighboring IPs: 0 (standalone IP assignment)

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## OBSERVATION HISTORY

• Total Observations: 19 signals recorded
• Most Recent Activity: 2026-08-04T22:24:39 UTC
• Threat Persistence: 0 days (no persistent malicious behavior)
• Ownership Changes: 0
• Historical Pattern: Consistent cloud infrastructure behavior

Signal Breakdown:

• Geographic data: Consistent Singapore localization
• Network classification: Clean subnet classification
• Blacklist monitoring: 1 listing detected (high severity, limited scope)

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## RELATIONSHIP GRAPH

• Network Relationships: 5 entries (all Microsoft Corporation/MSFT)
• External Entities: None detected
• Associated Hostnames: None
• Certificates: None

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## RECOMMENDED ACTIONS

No immediate action required. The IP represents legitimate Microsoft Azure cloud infrastructure with minimal threat profile.

Recommended Monitoring:

1. Continue standard passive monitoring for any behavioral changes

2. Monitor the single blacklist listing for scope expansion

3. No blocking or filtering recommended at this time

Firewall/ACL Guidance:

• Allow traffic if originating from Microsoft Azure services
• No specific blocking rules required
• Standard cloud provider handling applies

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## CONFIDENCE METRICS

• Data Sources: 2 geolocation sources (consensus: true)
• Observation Confidence: 0.30–0.85 (varies by signal type)
• Route Stability: Stable (route changes: 0 in 30 days)
• RPKI State: Not available
• Geo Validation: Plausible (Singapore location confirmed)

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END OF BRIEFING

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