40.76.191.134📋 Copy

# INTELLIGENCE BRIEFING: 40.76.191.134/32

Classification: Cloud Infrastructure IP

Risk Level: LOW (Risk Score: 25)

Date: 2026-08-12

Analyst: IPDebrief Intelligence Team

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## EXECUTIVE SUMMARY

IP 40.76.191.134 is a Microsoft Azure cloud compute resource with low-risk characteristics. The IP demonstrates stable ownership under Microsoft Corporation (AS8075) and exhibits no active threat indicators. No malicious activity detected in the /24 neighborhood. SOC teams may treat as benign cloud infrastructure.

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## OWNERSHIP AND NETWORK CLASSIFICATION

• Organization: Microsoft Corporation (MSFT)
• ASN: 8075
• CIDR Block: 40.74.0.0/15
• Network Role: Microsoft Azure Cloud Compute
• Infrastructure Type: CloudCompute
• Geolocation: Washington, VA, US (Coordinates: 37.43°N, -78.66°W)

The IP is confirmed as Microsoft Azure infrastructure with no proxy, VPN, or residential characteristics. The network is classified as cloud compute with hosting capabilities enabled.

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## THREAT ASSESSMENT

No threat indicators detected. The IP does not appear on any threat feeds. DNSBL analysis shows 1 listing out of 8 total lists, likely associated with parent block filtering rather than direct compromise.

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## NETWORK NEIGHBORHOOD ANALYSIS

Subnet: 40.76.191.0/24

Neighbor Risk Distribution:

• 40.76.191.160: Risk Score 15 (Low)
• 40.76.191.165: Risk Score 25 (Low)

No malicious activity detected in the /24 neighborhood. All neighboring IPs show low risk scores consistent with legitimate cloud infrastructure.

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## OBSERVATION HISTORY

Total Observations: 21

Ownership has remained stable under Microsoft Corporation. No significant changes in network role or classification observed over the observation period.

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## TECHNICAL DETAILS

DNS Status:

• PTR Hostnames: None resolved
• Forward Resolution: 0 records
• Hosted Domains: 0
• Email Auth: No SPF/DMARC records

Services:

• Open Ports: None detected
• TLS Certificate: Not observed
• HTTP Title: Not observed
• Service Purpose: Firewalled / No Services

Control Plane:

• Route Stable: No
• DNSSEC Valid: Yes
• Operator Score: 0.1304 (Minimal)
• RPKI State: Not applicable

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## SECURITY RECOMMENDATIONS

No blocking or filtering recommended.

The IP address represents legitimate Microsoft Azure infrastructure with:

• Low risk profile (25)
• Clean neighborhood classification
• No threat indicators
• No active malicious campaigns

Standard cloud security best practices apply. If traffic from this IP exhibits suspicious behavior at the application layer, investigate at that level rather than blocking the source IP.

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## ACTION ITEMS

1. Monitor: Continue monitoring for any changes in risk profile

2. Correlate: No immediate correlation with other threat indicators required

3. Block/Allow: No firewall rules required based on IP intelligence alone

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End of Briefing

*This intelligence was generated using IPDebrief threat intelligence platform. Data reflects observations as of 2026-08-12.*

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