20.55.87.181📋 Copy

# IP Intelligence Briefing: 20.55.87.181/32

Date: 2026-07-30

Classification: Low Risk – Microsoft Azure Infrastructure

Risk Score: 25/100

## Executive Summary

IP address 20.55.87.181 belongs to Microsoft Corporation (ASN 8075) and operates within Microsoft Azure cloud infrastructure. The IP presents a low-risk profile with no threat indicators, no blacklist presence, and no evidence of malicious activity. The IP is classified as part of Microsoft's cloud computing infrastructure with no active services exposed.

## Ownership and Geolocation

• Organization: Microsoft Corporation
• ASN: 8075 (MSFT)
• Network: 20.33.0.0/16
• Geolocation: Virginia, United States (37.37°N, 79.46°W)
• Timezone: America/New_York
• Infrastructure Type: CloudCompute
• Provider: Microsoft Azure

## Threat Assessment

Current Threat Level: Low

• Risk Score: 25/100
• Abuse Confidence Score: Not applicable
• Blacklist Count: 0
• Known Attacker Status: False
• Spam Source Status: False
• Tor Exit Node: False
• Known Campaigns: None
• Threat Persistence Days: 0
• Persistently Malicious: False

Control Plane Indicators:

• DNSSEC Valid: True
• Route Stable: False
• Operator Score: 0.1304 (Minimal)
• DNSBL Listed: 1/8 lists
• BGP Prefix: 20.48.0.0/12

## Network Services Analysis

• Open Ports: None detected
• TLS Certificate: None
• HTTP Title: None
• Service Purpose: Firewalled / No Services
• DNS Records: No PTR hostnames, no forward resolution
• Email Authentication: SPF and DMARC records not configured

## Neighborhood Analysis (20.55.87.0/24)

• Abuse Density: 0.2 (Low)
• Subnet Classification: Mostly Clean
• Total Siblings: 5
• Active Siblings: 3
• Threat Siblings: 1
• Inherited Risk: 2/100

Neighbor Risk Distribution:

All neighboring IPs share identical risk profiles consistent with Microsoft Azure infrastructure.

## Historical Observations

• Total Observations: 15 signals
• Most Recent Signal: 2026-07-30T07:23:46 UTC
• Ownership Changes: 0
• Threat Observation Count: 0
• Signal Types Observed: Ownership verification, subnet classification, port scanning, infrastructure type classification, operator score assessment

No significant changes observed in signal characteristics over the observation period.

## Relationship Graph

• Relationship Count: 3
• Target Type: Same Network (MSFT)
• All relationships point to Microsoft network infrastructure

## Recommended Security Actions

Current Risk Profile: No action required

The IP address presents a low-risk profile consistent with legitimate Microsoft Azure cloud infrastructure. No firewall rules or blocking recommendations are warranted at this time. The absence of threat indicators, combined with the known Microsoft Azure infrastructure classification, supports continued monitoring without mitigation.

## SOC Analyst Notes

• This IP is part of Microsoft's global Azure network footprint
• No evidence of abuse, scanning, or malicious activity
• Subnet shows consistent low-risk characteristics across all neighbors
• DNSSEC validation is enabled, indicating proper infrastructure configuration
• Recommended: Monitor for changes in risk profile or neighborhood abuse density

Status: No Action Required – Continue Standard Monitoring

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