4.227.135.148📋 Copy

# IP INTELLIGENCE BRIEFING

Subject: 4.227.135.148/32

Classification: Low Risk / Microsoft Azure Infrastructure

Generated: Current Assessment

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## EXECUTIVE SUMMARY

IP 4.227.135.148 is a low-risk Microsoft Azure cloud compute address. The IP demonstrates minimal threat indicators, resides within Microsoft's infrastructure (AS8075), and shows no evidence of malicious activity. No defensive actions are recommended at this time.

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## RISK ASSESSMENT

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## INFRASTRUCTURE ANALYSIS

Ownership & Registration:

• ASN: 8075 (Microsoft Corporation)
• Netname: MSFT
• CIDR Block: 4.224.0.0/12
• RIR: ARIN
• Registration: Microsoft-owned infrastructure

Geolocation:

• Country: United States (US)
• Region: Virginia
• City: Virginia
• Coordinates: 37.37°N, -79.46°W
• GeoSource Consensus: Validated across 2 sources

Network Classification:

• Infrastructure Type: Cloud Compute (Microsoft Azure)
• Connection Type: Cloud-hosted
• Service Purpose: Firewalled / No Services Detected
• Open Ports: None detected
• TLS/HTTP Services: None active

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## THREAT INTELLIGENCE

Threat Indicators:

• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Known Campaigns: None
• Threat Feeds: Clean
• Abuse Confidence: Not applicable

Malicious Activity:

• Threat Observation Count: 1
• Threat Persistence Days: 0
• Persistently Malicious: No
• Honeypot Hits: 0
• Enumeration Strikes: 0
• WAF Violations: 0

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## OBSERVATION HISTORY

Total Observations: 25 signals in recent timeframe

Recent Signal Trends:

• Routing Signals: Multiple observations of BGP routing data with valid RPKI state
• Ownership Signals: Consistent Microsoft ownership (0 ownership changes)
• Reputation Signals: Stable reputation metrics
• Geolocation Signals: Consistent Virginia, US location data
• Threat Signals: No persistent threat activity detected

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence: 0 days
• Route Stability: Stable (1 route change in 30 days)
• BGP Prefix: 4.224.0.0/12 (valid RPKI state)

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## NETWORK RELATIONSHIPS

Same Network Relationships: 8 relationships identified

• All relationships point to MSFT network infrastructure
• No external or suspicious network associations detected

Subnet Analysis (4.227.135.148/24):

• Abuse Density: 0.0
• Neighbor Count: 0
• Active Siblings: 0
• Threat Siblings: 0
• Classification: Clean

Risk Distribution in /24:

• High Risk: 0
• Medium Risk: 0
• Low Risk: 0

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## RECOMMENDED ACTIONS

Firewall/Security Recommendations:

• No specific actions recommended
• Risk score (15) indicates low threat level
• Standard Microsoft Azure traffic handling applies
• No blocking required

Monitoring Recommendations:

• Continue standard monitoring for Azure traffic
• No elevated threat indicators present
• No changes to security posture required

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## CONCLUSION

IP 4.227.135.148 represents legitimate Microsoft Azure cloud infrastructure with no active threat indicators. The IP demonstrates stable ownership, clean neighborhood classification, and no evidence of malicious activity. SOC analysts may treat this as benign Microsoft cloud traffic requiring standard handling procedures. No defensive blocking or escalation is warranted at this time.

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Status: Clear for standard traffic handling

Next Review: Routine monitoring cycle

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