52.167.144.19📋 Copy

# THREAT INTELLIGENCE BRIEFING

Target IP: 52.167.144.19/32

Classification: Microsoft Bingbot - Legitimate Infrastructure

Risk Assessment: Moderate Risk (Score: 40)

## EXECUTIVE SUMMARY

IP 52.167.144.19 is identified as Microsoft Corporation's Bingbot crawler infrastructure located in Madison, Wisconsin. Despite moderate risk scoring, analysis confirms this is legitimate cloud computing infrastructure (CloudCompute) operating as a search bot service. The IP resolves to msnbot-52-167-144-19.search.msn.com and operates on Microsoft's 52.160.0.0/11 network block. No open ports or active services detected; the system is firewalled with no exposed services.

## OWNERSHIP AND INFRASTRUCTURE

• Organization: Microsoft Corporation
• ASN: 8075 (Microsoft Corporation)
• Geolocation: Madison, Wisconsin, US (America/Chicago timezone)
• Infrastructure Type: CloudCompute
• Network Role: Bingbot crawler
• Registration: ARIN, Microsoft-controlled

## SECURITY OBSERVATIONS

• Risk Score: 40 (Moderate)
• DNSBL Listings: 1 of 8 lists
• Threat Indicators: None detected
• Abuse Confidence: Not flagged as known attacker or spam source
• Tor/Proxy: Not associated with Tor, VPN, or proxy services
• Status: Firewalled / No Services exposed

## NEIGHBORHOOD ANALYSIS

Subnet 52.167.144.19/24 exhibits elevated abuse density (0.6588) with high_abuse classification. Analysis reveals 85 total sibling IPs with 56 identified as threat siblings. However, most neighbors (84 of 90) show medium-risk classifications (risk score 40), indicating this is a Microsoft infrastructure subnet with mixed traffic patterns rather than malicious hosting.

## RELATIONSHIP MAPPING

• DNS Associations: msnbot-52-167-144-19.search.msn.com
• Network Affiliations: MSFT (Microsoft) network
• Total Relationships: 43 identified connections

## OBSERVATION HISTORY

Historical data confirms consistent infrastructure classification with 20 recorded observations. Recent signals show stable geolocation (Madison, WI) and network role (Bingbot) with confidence levels ranging from 0.25 to 0.90. No ownership changes detected; threat persistence shows zero observation count for malicious activity.

## RECOMMENDATIONS

FOR DEFENSIVE SECURITY:

• Allow: This IP is legitimate Microsoft search crawler infrastructure
• Firewall: No blocking required; standard Microsoft infrastructure traffic
• Monitoring: Monitor for anomalies in request patterns, but baseline behavior is legitimate
• WAF Rules: No specific blocking rules necessary; IP is not associated with malicious campaigns

ACTION REQUIRED: LOW PRIORITY

This IP represents legitimate Microsoft Bingbot infrastructure. No blocking or defensive action required. Standard Microsoft bot traffic should be permitted in outbound traffic flows.

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