52.167.144.234📋 Copy

## IP INTELLIGENCE BRIEFING: 52.167.144.234/32

Classification: Microsoft Bingbot Crawler Infrastructure

Risk Assessment: Moderate Risk (Score: 40/100)

Analysis Date: June 14, 2026

EXECUTIVE SUMMARY

IP address 52.167.144.234 belongs to Microsoft Corporation (ASN 8075) and functions as a Bingbot search engine crawler. The IP is deployed within Microsoft's Madison, Wisconsin cloud infrastructure. While the surrounding /24 subnet exhibits elevated abuse density (53.57%), the target IP shows no active malicious indicators and maintains legitimate operational parameters.

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INFRASTRUCTURE PROFILE

Ownership & Registration

• Organization: Microsoft Corporation
• ASN: 8075
• RIR: ARIN
• Network Block: 52.160.0.0/11 (BGP prefix)

Geolocation

• Country: United States (US)
• Region: Wisconsin (WI)
• City: Madison
• Coordinates: 42.0367°N, -92.42°W
• Geo-Confidence: 70% (Multi-signal inference)

Network Classification

• Primary Role: Bingbot (Microsoft Web Crawler)
• Infrastructure Type: CloudCompute
• Cloud Provider: Microsoft Azure
• Hosting Status: Active
• Proxy/VPN/Tor: Negative (Not applicable)

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THREAT INTELLIGENCE

Current Threat Indicators

• Malicious Activity: None detected
• Blacklist Status: Clean (0 blacklist entries)
• Known Campaigns: None
• Known Attacker: No
• Spam Source: No

Control Plane Analysis

• Operator Score: 0.3478 (Basic classification)
• Route Stability: Inconsistent (isRouteStable: false)
• Route Changes (30d): 0
• DNSBL Listings: 1 out of 8 total lists
• DNSSEC Validated: Yes

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NETWORK RELATIONSHIPS

DNS Associations

• Primary Hostname: msnbot-52-167-144-234.search.msn.com
• Forward Resolution: Confirmed
• PTR Record: msnbot-52-167-144-234.search.msn.com

Network Affiliations

• Same Network: MSFT (Microsoft)
• Total Relationships: 47 identified

Email Authentication

• SPF Record: Present
• DMARC Record: Present
• TXT Records: 0

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SERVICE FINGERPRINT

Open Ports: None (Firewalled/No Services)

HTTP/HTTPS: Not actively serving

TLS Certificate: Not present

Server Banner: Not available

Service Purpose: Firewalled / No Services

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NEIGHBORHOOD ANALYSIS

Subnet: 52.167.144.234/24

• Total Siblings: 84 IPs
• Active Siblings: 50
• Threat Siblings: 45
• Abuse Density: 53.57% (Classified: high_abuse)
• Inherited Risk Score: 21

Sample Neighbor Risk Scores:

• 52.167.144.16: Risk 40, Authority 60
• 52.167.144.18: Risk 50, Authority 60
• 52.167.144.19-21: Risk 40, Authority 60

Assessment: The /24 subnet demonstrates elevated abuse activity consistent with Microsoft's large-scale hosting infrastructure. However, the target IP does not exhibit malicious behavior patterns.

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OBSERVATION HISTORY

Recent Signal Activity (June 14, 2026)

• Geolocation signals: Consistent Madison, WI attribution
• Operator classification: "Basic" operator level
• Network role: Confirmed Bingbot crawler
• DNS resolution: Stable MSN Bot hostname

Temporal Analysis

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

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SECURITY ACTIONS

Recommended Firewall Rules:

• No immediate blocking required
• Whitelist for Microsoft Bingbot crawler operations
• Standard Microsoft network segmentation policies apply

Monitoring Recommendations:

• Monitor for anomalous outbound connections from this crawler IP
• Verify expected crawl patterns for Microsoft search engine operations
• No immediate threat mitigation actions required

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CONCLUSION

IP 52.167.144.234 operates as legitimate Microsoft Bingbot crawler infrastructure within Microsoft's Madison data center. The IP shows no evidence of malicious activity, and its DNS and network associations confirm standard Microsoft search engine operations. While the surrounding /24 subnet demonstrates elevated abuse metrics, the target IP maintains a clean threat profile and requires standard Microsoft infrastructure treatment rather than threat mitigation.

SOC Analyst Action: Allow/monitor as legitimate Microsoft infrastructure. No blocking recommended.

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