52.167.144.218📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 52.167.144.218/32

Classification: Microsoft Bingbot Search Infrastructure

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

Date: Current

## EXECUTIVE SUMMARY

IP 52.167.144.218 is identified as Microsoft Corporation's Bingbot web crawler operating from Madison, Wisconsin. The IP resolves to a legitimate MSN search bot hostname and operates within Microsoft's cloud infrastructure. While the IP presents moderate risk due to neighborhood context, no malicious threat indicators are present.

## OWNERSHIP & INFRASTRUCTURE

• Organization: Microsoft Corporation (ASN 8075, MSFT)
• CIDR Block: 52.145.0.0/16
• Network Role: Bingbot (search engine crawler), CloudCompute, Hosting
• DNS Resolution: msnbot-52-167-144-218.search.msn.com
• Geolocation: Madison, Wisconsin, United States (accuracy: 866km)
• Infrastructure Type: Cloud-based with DNSSEC valid

## THREAT ASSESSMENT

Threat Indicators: None detected

• Blacklist Count: 0
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Active Campaigns: None

Services: No open ports detected (firewalled/no services)

TLS/HTTP: No active web services exposed

## NEIGHBORHOOD CONTEXT

Subnet: 52.167.144.0/24

• Total Siblings: 84 IPs
• Active Siblings: 55
• Threat Siblings: 47
• Abuse Density: 55.95% (High abuse classification)
• Inherited Risk Score: 22

*Note: Elevated neighborhood abuse density is contextual to Microsoft's hosting infrastructure and does not indicate malicious activity by this specific IP.*

## OBSERVATION HISTORY

• Total Observations: 21
• Recent Activity: Multiple observations from 2026-06-16
• Persistence: No persistent malicious behavior observed
• Threat Persistence Days: 0
• Ownership Stability: No ownership changes

## RELATIONSHIP ANALYSIS

• DNS Associations: msnbot-52-167-144-218.search.msn.com
• Network Relationships: Microsoft (MSFT) network infrastructure
• Certificate Associations: None detected
• Campaign Correlations: 0

## RECOMMENDED ACTIONS

Classification: Allow/Monitor

• IP represents legitimate Microsoft search infrastructure
• No blocking recommended
• Standard logging and monitoring appropriate
• Whitelist consideration for search bot traffic if applicable

## SOC NOTES

This IP is operational Microsoft Bingbot infrastructure performing web crawling activities. The moderate risk score (40) reflects the high-abuse neighborhood context rather than malicious behavior. No threat indicators present. Standard allow rules with logging are appropriate.

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