52.165.251.51📋 Copy

# IP INTELLIGENCE BRIEFING

Subject: 52.165.251.51/32

Classification: LOW RISK - Cloud Infrastructure

Date: Current

## EXECUTIVE SUMMARY

IP address 52.165.251.51 belongs to Microsoft Corporation's Azure cloud infrastructure in the United States. The IP presents a low-risk profile (risk score: 25) with no active threat indicators, no open services, and no evidence of malicious activity. The address is part of Microsoft's legitimate cloud computing network infrastructure.

## TECHNICAL PROFILE

## THREAT ASSESSMENT

Current Risk Level: LOW

The IP shows no active threat indicators:

• Zero threat indicators in threat feed data
• No known attacker or spam source designation
• No blacklist entries (count: 0)
• No Tor exit node designation
• No active campaigns associated

Control Plane Analysis:

• BGP Prefix: 52.160.0.0/11
• Route stability: False (route changes detected)
• DNSSEC: Valid
• DNSBL Listed: 1 of 8 total lists

## OBSERVATION HISTORY

Analysis of 19 historical observations reveals stable infrastructure behavior:

• Abuse Density: 0.4 (substantially below threshold)
• Classification: Mostly Clean
• Operator Score: 0.1304 (Minimal)
• Threat Persistence: 0 days
• Threat Observation Count: 1 (non-malicious)

No escalation in risk profile detected over the observation period. The IP demonstrates consistent Microsoft Azure infrastructure characteristics without behavioral anomalies.

## NETWORK RELATIONSHIPS

The IP is associated with 20 network relationships, all classified as "Same Network" connections to Microsoft (MSFT). This confirms the IP operates within Microsoft's trusted Azure network infrastructure. The relationships indicate legitimate cloud service provider operations rather than malicious network association.

## SUBNET ANALYSIS

Subnet: 52.165.251.51/24

• Total Siblings: 5
• Active Siblings: 2
• Threat Siblings: 2
• Abuse Density: 0.4
• Classification: Mostly Clean
• Risk Distribution: 4 low-risk, 0 medium, 0 high

The /24 subnet shows mixed reputation with two threat-identified sibling IPs. While the target IP maintains a clean profile, the subnet environment requires standard monitoring.

## SECURITY RECOMMENDATIONS

No immediate action required. The IP is identified as legitimate Microsoft Azure cloud infrastructure with a low-risk profile. Standard monitoring is recommended. No firewall rules or blocking actions are recommended at this time.

SOC Analyst Guidance:

• Treat as legitimate cloud infrastructure
• Monitor for behavioral changes if traffic patterns shift
• No immediate blocking or allow-listing actions required
• Continue standard threat intelligence monitoring

---

*This briefing was generated using IPDebrief intelligence data. All findings are based on observed network signals and threat indicators.*

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