40.90.163.59📋 Copy

# IP Intelligence Briefing: 40.90.163.59/32

Classification: Low Risk

Date of Analysis: 2026-06-20

Data Source: IPDebrief Intelligence Platform

---

## Executive Summary

IP address 40.90.163.59 is a Microsoft Azure cloud infrastructure endpoint located in Singapore. The IP presents a low-risk profile (risk score: 25/100) with no active threat indicators, no known malicious campaigns, and no significant neighbor activity. The address is classified as cloud compute infrastructure with hosting capabilities and appears to be legitimately operated within Microsoft's corporate network (ASN 8075).

---

## Technical Profile

Network Role & Services

• Connection Type: Cloud infrastructure
• Open Ports: None detected (service status: Firewalled / No Services)
• TLS Certificate: Not detected
• HTTP Banner: Microsoft-IIS/10.0, ASP.NET v4.0.30319
• HTTP Version: 1.1
• Status Code: 200 (OK)
• Time to First Byte: 486ms

---

## Threat Intelligence Assessment

Current Threat Indicators

• Known Campaigns: None
• Blacklist Count: 0
• Pulsedive Risk: N/A
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No

Control Plane Data

• Origin ASN: 8075 (Microsoft)
• BGP Prefix: 40.80.0.0/12
• Route Stability: Unstable
• DNSBL Listings: 1 out of 8 total lists
• Operator Score: 0.1304 (Minimal)
• RPKI State: Not validated
• IRR Consistency: Not validated

---

## Network Context & Relationships

Network Neighborhood (40.90.163.59/24)

• Abuse Density: 0 (Minimal)
• Classification: Mostly Clean
• Inherited Risk: 2 (Low)
• Total Siblings: 1
• Active Siblings: 1
• Threat Siblings: 1

Relationship Graph

• Total Relationships: 25
• Primary Classification: Same Network (Microsoft/MSFT)
• Associated Entities: Microsoft corporate network infrastructure

The IP is part of Microsoft's broader Azure network ecosystem with 25 documented relationships, all classified as same-network associations.

---

## Historical Analysis

Observation Summary

• Total Observations: 18
• Observation Period: 2026-06-20
• Threat Persistence Days: 0
• Persistent Malicious Activity: No

Recent Signal Timeline (2026-06-20)

1. 21:50:28 UTC: Cloud provider identification (Microsoft Azure) - Confidence: 85%

2. 21:43:19 UTC: Geolocation validation (Singapore) - Confidence: 90%

- Distance from probe: 10,382.9 km

- Min/Max/Avg RTT: 235-250ms / 242.6ms

- Geo-plausibility: Valid

3. 21:42:53 UTC: Geolocation signal (Singapore) - Confidence: 56%

4. 21:42:52 UTC: HTTP fingerprint (IIS/ASP.NET) - Confidence: 80%

5. 21:41:21 UTC: Operator score assessment (Minimal) - Confidence: 30%

The IP has exhibited stable behavior with no escalating threat patterns. All observations confirm Microsoft Azure infrastructure deployment in Singapore.

---

## Security Recommendations

Firewall & Network Actions

No immediate blocking or filtering actions recommended.

Rationale:

• Risk score (25) indicates low-risk profile
• Microsoft Azure infrastructure is legitimate cloud service
• No active threat indicators or malicious campaign associations
• Neighbor analysis shows minimal abuse density

Monitoring Considerations

• Monitor for changes in network classification or risk score
• Track DNSBL listing status (currently 1 of 8 lists)
• Maintain awareness of Microsoft Azure traffic patterns

Recommended Actions

• Allow: Standard cloud traffic on established Azure ports
• Monitor: Any unexpected port openings or service changes
• Alert: Significant risk score increases (>50) or threat indicator emergence

---

## Conclusion

IP 40.90.163.59 is a legitimate Microsoft Azure cloud endpoint with no current threat indicators. The low-risk profile, clean neighborhood, and established Microsoft network relationships support continued operation without restrictive firewall rules. SOC teams should treat this as standard cloud infrastructure traffic while maintaining standard monitoring protocols for any behavioral changes.

Confidence Level: High

Action Required: None

Review Interval: 30 days or on significant change

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