52.237.118.111📋 Copy

# IP INTELLIGENCE BRIEFING: 52.237.118.111/32

Classification: LOW RISK - Enterprise Cloud Infrastructure

Date: Current Intelligence Cycle

Assigned To: SOC Analyst

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## Executive Summary

IP 52.237.118.111 is a Microsoft Azure cloud infrastructure endpoint (AS8075) hosting Trend Micro management services. The IP presents a low-risk profile with no active threat indicators. Current observations show legitimate HTTPS traffic serving Trend Micro's corporate management portal with proper security controls in place.

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## Network Profile

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## Security Posture Analysis

DNS & Email Security:

• SPF Record: Configured (includes multiple Microsoft/Trend Micro mail servers)
• DMARC Record: Configured with p=reject policy
• HSTS: Enabled (max-age=31536000)
• TLS Certificate: Sectigo-issued for *.manage.trendmicro.com

Service Exposure:

• Port 443/TCP (HTTPS) - Active
• Response Status: 403 Forbidden (rate limiting/access control in place)
• HTTP/2.0 Protocol: Enabled
• Server Response Time: ~992ms

Threat Indicators:

• Blacklist Count: 0
• Known Attacker: False
• Tor Exit Node: False
• Spam Source: False
• Active Threat Feeds: None

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## Historical Trend Analysis

Observation Period: 25 signals tracked

Trend Direction: Stable

• Consistent HTTPS responses with 403 status codes
• DNS records consistently show SPF/DMARC configuration for trendmicro.com
• Certificate subject remains *.manage.trendmicro.com
• No escalation in risk indicators over observation period
• Threat persistence: 0 days (not persistently malicious)

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## Network Neighborhood Assessment

Subnet: 52.237.118.111/24

Abuse Density: 1/10 (Minimal)

Classification: Mostly Clean

Risk Distribution: No high-risk siblings detected

Inherited Risk: 2/100

The /24 subnet shows minimal abuse activity with one threat-adjacent sibling, indicating localized but contained activity.

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## Relationship Graph

External Connections: 18 relationships identified

• All relationships: Same Network (MSFT)
• No cross-organization relationships detected
• No certificate-based associations to external entities

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## Recommended Actions

1. No immediate blocking required - IP is legitimate Microsoft Azure infrastructure

2. Allowlist Consideration - If traffic from this IP is blocked, review access control policies

3. Monitor for Change - Track for any shift in TLS certificate subject or network behavior

4. Blocklist Verification - No current blacklisting; verify if 403 responses correlate with legitimate access attempts

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## Threat Intelligence Narrative

This IP address represents Trend Micro's management portal infrastructure hosted on Microsoft Azure in Singapore. The 403 Forbidden responses indicate active access control mechanisms protecting the management interface. Security headers (HSTS, SPF, DMARC) are properly configured, demonstrating enterprise-grade security practices. The low-risk score, absence of malicious indicators, and stable historical observations support classification as legitimate infrastructure rather than a threat actor endpoint.

Verdict: NO THREAT DETECTED - Legitimate Enterprise Cloud Infrastructure

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