104.210.140.134📋 Copy

# INTELLIGENCE BRIEFING: 104.210.140.134/32

## Executive Summary

IP address 104.210.140.134 is registered to Microsoft Corporation (ASN 8075) and operates within Microsoft Azure cloud infrastructure. The IP carries a moderate risk score of 40 and resides in a subnet with high abuse density (0.625). Despite being cloud infrastructure, the subnet's elevated threat profile warrants monitoring and potential blocking depending on organizational security policies.

## Ownership and Geolocation

• Organization: Microsoft Corporation
• ASN: 8075
• Location: San Antonio, Texas, United States (29.43°N, 98.49°W)
• Geographic Consensus: Validated across multiple sources
• Registration RIR: ARIN

## Network Classification

• Infrastructure Type: Cloud infrastructure (Microsoft Azure)
• Network Role: Firewalled / No Services Open
• Anycast Status: No
• Proxy/VPN/Tor Exit: No
• Hosting Provider: No (Microsoft cloud compute)
• Mobile/Residential: No

## Threat Indicators Assessment

• Abuse Confidence Score: Not explicitly flagged
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0
• Threat Feeds: No active indicators
• Malicious Campaign Affiliation: None detected

## Neighborhood Analysis (104.210.140.0/24)

• Subnet Classification: High Abuse
• Abuse Density: 0.625
• Total Siblings: 16
• Active Siblings: 10
• Threat Siblings: 10
• Inherited Risk Score: 25
• Neighbor Risk Distribution: 15 medium-risk IPs (scores 40-50), 0 high-risk

All 15 neighboring IPs in the /24 subnet show risk scores of 40-50, with consistent authority scores of 50. This indicates a Microsoft Azure subnet segment with uniformly elevated risk characteristics.

## Historical Observations

Eighteen signal observations were recorded over the observation period:

• Most Recent: 2026-06-26
• Infrastructure Consistency: Persistent cloud infrastructure identification
• Ownership Stability: No ownership changes detected
• Threat Persistence: No persistent malicious behavior observed
• DNSSEC: Valid
• BGP Prefix: 104.208.0.0/13
• Route Stability: Not stable (route changes observed)

## Service and Port Analysis

• Open Ports: None detected
• TLS Certificate: Not available
• HTTP Title/Server Banner: Not available
• Hosted Domains: 0
• DNS Records: No forward resolution confirmed

## Recommended Security Actions

Based on the risk profile (40/100), the following firewall rules are recommended:

## Intelligence Assessment

The IP address is part of Microsoft Azure cloud infrastructure but operates within a subnet exhibiting high abuse density. While the IP itself shows no direct malicious indicators, the neighborhood context (10 threat siblings in a 16-IP subnet) suggests elevated risk for the broader network segment. The moderate risk score (40) combined with the high-abuse subnet classification warrants defensive posture adoption.

Recommendation: Implement blocking rules per the firewall recommendations above. Monitor for any changes in threat indicators or service activity. The cloud infrastructure nature suggests legitimate enterprise use, but the subnet-level abuse patterns indicate potential for compromised resources or abuse within the Microsoft Azure environment.

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*Intel produced by IPDebrief analysis. All data sourced from automated observation and threat intelligence feeds. Timestamp: Current analysis session.*

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