40.77.167.32📋 Copy

# IP Intelligence Briefing: 40.77.167.32/32

## Executive Summary

IP 40.77.167.32 is a Microsoft Azure cloud infrastructure address with low-risk classification. The IP is associated with MSN search botnet operations and exhibits normal cloud infrastructure characteristics. No active malicious indicators or threat behaviors observed.

## Profile Assessment

Risk Classification: Low Risk (Risk Score: 25)

Infrastructure Type: CloudCompute (Microsoft Azure)

Organization: Microsoft Corporation (ASN 8075)

Network Range: 40.74.0.0/15

Geolocation: Virginia, US (RIR: ARIN)

Ownership Stability: Stable with zero ownership changes recorded. Average ownership duration indicates persistent legitimate operation.

## Threat Indicators

Active Threat Signals: None detected

• Blacklist Count: 0
• Known Attacker: False
• Spam Source: False
• Tor Exit Node: False
• Threat Feeds: No indicators

Reputation Sources: No active threat intelligence sources flagged.

## Network Role & Services

Infrastructure Classification:

• Cloud Provider: Microsoft Azure
• Hosting: Active
• CDN: Inactive
• Proxy/VPN/Tor: Inactive

Service Status: No open ports detected. DNS resolution confirms association with MSN search infrastructure. PTR hostname: msnbot-40-77-167-32.search.msn.com

DNS Analysis:

• Forward Resolution: msnbot-40-77-167-32.search.msn.com
• Forward Confirmation: Valid
• SPF/DMARC: Authenticated

## Historical Signal Analysis

Observation Count: 22 signals recorded

Recent Activity: All observations from 2026-06-16 timeframe

Threat Persistence: 0 days (transient activity only)

Persistence Classification: Not persistently malicious

Signal Breakdown:

• Subnet classification: Mixed abuse density (0.4157)
• Operator score: 0.3478 (Basic rating)
• Routing stability: Inconsistent

## Network Neighborhood Analysis

Subnet: 40.77.167.0/24

Total Siblings: 89 addresses

Active Siblings: 46 addresses

Threat Siblings: 37 addresses (41.6% of active)

Risk Distribution in Subnet:

• High Risk: 0
• Medium Risk: 25
• Low Risk: 64

Abuse Density: Moderate (0.4157), indicating mixed legitimate and potentially compromised infrastructure in the /24 block.

Notable Neighbor IPs:

• 40.77.167.0: Risk 25, Authority 60
• 40.77.167.1: Risk 50, Authority 60
• 40.77.167.2: Risk 40, Authority 60
• 40.77.167.3: Risk 40, Authority 60
• 40.77.167.6: Risk 25, Authority 60

## Relationship Graph Analysis

Primary Associations:

• Multiple same-network relationships to MSFT network
• DNS associations to MSN search botnet hostname (repeated across relationship records)

Correlated Entities:

• No certificate matches
• No correlated IPs from campaigns
• Zero banner matches

## Control Plane Data

BGP Route: 40.76.0.0/14

Route Stability: False (inconsistent routing)

DNSSEC: Valid

DNSBL Lists: 1 of 8 total lists

RPKI State: Not evaluated

IRR Consistency: Not evaluated

## Security Recommendations

Action Status: No immediate action required

Risk-Based Recommendations: None (low risk profile)

Firewall Rules: Not applicable

Operational Notes:

• Traffic to/from this IP is expected for legitimate MSN search operations
• No blocking or rate-limiting recommended
• Continue monitoring for behavior changes given moderate neighborhood abuse density

## Intelligence Assessment

IP 40.77.167.32 represents standard Microsoft Azure cloud infrastructure with no active malicious indicators. The DNS association with MSN search botnet hostname indicates legitimate Microsoft search indexing operations. The subnet exhibits moderate abuse density with 37 threat-sibling IPs, but the target IP itself maintains low-risk classification. No correlation to known campaigns or persistent threat actors.

SOC Analyst Guidance: Monitor for behavioral anomalies but maintain passive observation posture. No immediate defensive actions warranted.

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