40.77.167.38📋 Copy

# IP Intelligence Briefing: 40.77.167.38/32

Classification: Low Risk | Status: Legitimate Infrastructure | Date: Current

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## Executive Summary

IP address 40.77.167.38/32 is a low-risk Microsoft Azure cloud compute infrastructure address located in Virginia, United States. The IP resolves to Microsoft Search Bot (msnbot-40-77-167-38.search.msn.com) and represents legitimate crawling/infrastructure activity. No threat indicators were detected. SOC monitoring should continue at standard baseline levels.

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## Network Identity & Ownership

• Organization: Microsoft Corporation (ASN 8075)
• Infrastructure Type: Microsoft Azure CloudCompute
• Geolocation: Virginia, US (36.67°N, -78.93°W)
• BGP Origin: 40.76.0.0/14 via AS34549 8075
• Registration: ARIN, stable ownership

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## Risk Assessment

Risk Score: 25/100 (Low Risk)

• Provider Score: 0
• Authority Score: 0
• Abuse Confidence Score: Not applicable
• Blacklist Count: 0
• DNSBL Listed: 1 of 8 lists (minor listing)

Threat Indicators: None detected

• Not a Tor exit node
• Not a known attacker
• Not a spam source
• No active threat feeds or campaigns

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## DNS & Service Analysis

• PTR Hostname: msnbot-40-77-167-38.search.msn.com
• Forward Resolution: msnbot-40-77-167-38.search.msn.com
• Domain Association: msn.com
• Services: No open ports detected (firewalled)
• Email Auth: SPF and DMARC records present

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## Network Neighborhood Analysis

Subnet: 40.77.167.0/24

• Total Siblings: 88
• Active Siblings: 44
• Threat Siblings: 29
• Abuse Density: 0.3295 (mixed classification)
• Inherited Risk: 13/100

The subnet shows mixed risk characteristics typical of Microsoft Azure cloud infrastructure hosting.

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## Historical Observation Timeline

Recent observations (June 14, 2026) confirmed:

• Stable cloud compute infrastructure (Microsoft Azure)
• Consistent geolocation in Virginia, US
• No changes to BGP routing or network classification
• No emergence of malicious signals

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## Related Entities

• Network: MSFT (Microsoft Corporation)
• Hostname Association: msnbot-40-77-167-38.search.msn.com (recurring DNS association)

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## Recommended Actions

No specific firewall rules or blocking actions recommended. The IP represents legitimate Microsoft Search Bot infrastructure with established, low-risk profile. Standard logging and monitoring apply.

Firewall Recommendation: Allow traffic or apply standard organizational policy. No blocking required.

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## Intelligence Conclusion

IP 40.77.167.38 is confirmed Microsoft Azure infrastructure supporting Microsoft Search Bot operations. The low risk score, legitimate hostname resolution, and absence of threat indicators indicate benign infrastructure activity. No escalation or blocking actions warranted.

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