20.78.158.139📋 Copy

# IP Intelligence Briefing: 20.78.158.139/32

## Executive Summary

IP 20.78.158.139 is a Microsoft Azure cloud compute resource located in Osaka, Japan. The address presents a low risk profile (risk score: 25) with no active threat indicators, no known malicious activity, and no blacklist associations. The IP operates within Microsoft's corporate network infrastructure (ASN 8075) and shows consistent network behavior over the observation period.

## Ownership and Network Classification

• Organization: Microsoft Corporation
• ASN: 8075
• Network Role: Cloud Compute Infrastructure (Microsoft Azure)
• Geolocation: Osaka, Japan (JP), Region 27
• Coordinates: 34.69°N, 135.5°E
• Geolocation Source: Multi-signal inference with 56% confidence

The IP is classified as cloud infrastructure with no residential, mobile, proxy, or VPN characteristics.

## Threat Assessment

• Risk Score: 25 (Low Risk)
• Threat Indicators: None detected
• Known Attacker: False
• Tor Exit Node: False
• Spam Source: False
• Blacklist Count: 0
• Known Campaigns: None
• Threat Feeds: No associations found

Control plane analysis indicates the IP has valid DNSSEC configuration but appears on 1 of 8 DNSBL lists, indicating minimal listing status. The operator score registers at 0.1304, labeled as "Minimal."

## Service and DNS Analysis

• Open Ports: None detected
• Forward Resolution: Inactive (no PTR records)
• Forward Hostnames: None
• Email Authentication: No SPF, DMARC, or TXT records
• Hosted Domains: 0

No active services or banner information was observed during the analysis period.

## Observation History

Signal observation history spanning 20 observations from 2026-06-18 through 2026-06-23 indicates stable network behavior:

• Recent observations consistently label the IP as "Minimal" risk
• Geolocation signals remain consistent, pointing to Osaka, Japan
• No significant threat persistence detected
• Ownership stability shows no changes during the observation window

## Neighborhood Analysis

The /24 subnet (20.78.158.0/24) demonstrates:

• Abuse Density: 0 (mostly clean)
• Total Siblings: 2
• Active Siblings: 2
• Threat Siblings: 2
• Inherited Risk: 5
• Subnet Classification: Mostly clean

Neighbor 20.78.158.176 shares the same risk profile (risk score: 25) with authority score of 50, indicating coordinated Microsoft infrastructure behavior.

## Relationship Graph

The relationship graph contains 18 entries, all categorized as "Same Network" with target value "MSFT." This confirms the IP operates within Microsoft's corporate network infrastructure and shows no external entity associations.

## Recommended Security Actions

Due to the low-risk profile and legitimate cloud infrastructure classification, no specific firewall rules or blocking actions are recommended. Standard cloud traffic filtering policies should apply. The IP should be permitted unless additional context indicates malicious activity.

## Intelligence Conclusion

20.78.158.139 is a legitimate Microsoft Azure cloud resource with low risk characteristics. The IP shows no evidence of abuse, malicious activity, or compromise. No immediate defensive action is required. SOC analysts may treat this IP as trusted cloud infrastructure unless correlation with other threat intelligence indicates otherwise.

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