52.138.213.237📋 Copy

# IP Intelligence Briefing: 52.138.213.237/32

Classification: Low Risk | Status: Operational Infrastructure | Date: 2026-08-05

## Executive Summary

Target IP 52.138.213.237 is identified as Microsoft Azure cloud compute infrastructure located in Dublin, Ireland. The IP presents a low risk profile (score: 25/100) with no active threat indicators. The address belongs to the MSFT organization (ASN 8075) and operates within legitimate enterprise cloud infrastructure. No immediate blocking or mitigation actions are recommended.

## Infrastructure Profile

## Network Services

The target responds on the following services:

• Port 80/TCP: HTTP (web server)
• Port 443/TCP: HTTPS (web server)
• Port 22/TCP: SSH (SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.15)

TLS Certificate: Let's Encrypt certificate issued for `ageera-vm.northeurope.cloudapp.azure.com`. Certificate uses TLS 1.3 with strong cipher suite TLS_AES_256_GCM_SHA384.

Server Identification: nginx/1.18.0 running on Ubuntu.

## Threat Intelligence Assessment

• Abuse Confidence Score: Not available
• Blacklist Status: Listed on 1 of 8 DNSBLs
• Known Campaigns: None detected
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Campaign Likelihood: None

## Subnet Analysis

The /24 subnet (52.138.213.0.0/24) shows:

• Abuse Density: 0 (clean)
• Threat Siblings: 0
• Active Siblings: 1
• Classification: Clean

The neighborhood environment indicates legitimate Microsoft Azure infrastructure with no adjacent malicious activity.

## Relationship Mapping

Seven relationship entries link to Microsoft network infrastructure (MSFT). All relationships classified as "Same Network" type, confirming the IP operates within the Microsoft enterprise network.

## Historical Observations

19 observations recorded between July-August 2026. Key temporal patterns:

• Consistent Server Fingerprint: nginx/1.18.0 maintained across observations
• HTTP Behavior: Returns 403 Forbidden status code (indicates access control or rate limiting mechanisms)
• TLS Configuration: TLS 1.3 with 256-bit encryption consistently enabled
• Threat Persistence: No threat observation count; not classified as persistently malicious

## Recommended Actions

No specific firewall rules or blocking recommendations generated. The IP presents a low-risk profile consistent with legitimate cloud infrastructure.

Suggested Approach:

• Allow traffic to/from this IP in firewall configurations
• Monitor for any changes in behavior or service modifications
• No immediate threat mitigation required

## Conclusion

IP 52.138.213.237 represents legitimate Microsoft Azure infrastructure with no indicators of compromise. The 403 responses observed are consistent with access-controlled cloud services. Continue monitoring for operational baseline changes, but no defensive actions are currently warranted.

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