# IP INTELLIGENCE BRIEFING
Target: 157.55.39.202/32
Classification: LOW RISK β Legitimate Infrastructure
Date: Current Analysis
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## EXECUTIVE SUMMARY
IP 157.55.39.202 is a Microsoft Azure cloud infrastructure endpoint operated by Microsoft Corporation (AS8075). The address is identified as part of the MSFT-GFS network and is associated with MSN search bot operations. Risk scoring indicates low threat activity with no detected malicious behavior or blacklist associations.
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## INFRASTRUCTURE PROFILE
| Attribute | Value |
|---|---|
| **Organization** | Microsoft Corporation |
| **ASN** | 8075 (MSFT-GFS) |
| **CIDR Block** | 157.54.0.0/15 |
| **Geolocation** | Quincy, Washington, US |
| **Network Role** | Microsoft Azure Cloud Compute |
| **Infrastructure Type** | Cloud Hosting |
| **DNS Resolution** | msnbot-157-55-39-202.search.msn.com |
---
## THREAT INDICATORS
- Risk Score: 25 (Low Risk)
- Blacklist Count: 0
- Known Campaigns: None
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Abuse Confidence Score: Not applicable
- Threat Persistence: None detected
---
## NETWORK NEIGHBORHOOD ANALYSIS
Subnet: 157.55.39.0/24
Total Siblings: 30
Active Siblings: 17
Threat Siblings: 14
Abuse Density: 0.4828 (Moderate)
Risk Distribution in Subnet:
- High Risk: 0
- Medium Risk: 12
- Low Risk: 18
Neighbor IPs exhibit consistent Microsoft infrastructure risk profiles (scores 25-40), indicating a homogeneous cloud hosting environment.
---
## OBSERVATION HISTORY
Total Observations: 24
Ownership Changes: 0
Threat Observation Count: 1
Persistence Status: Not persistently malicious
Recent signal observations show stable infrastructure with consistent classification as mixed-use cloud infrastructure. No degradation in risk posture detected over observation period.
---
## RELATIONSHIP ANALYSIS
Total Relationships: 28
- DNS Associations: 14 instances (msnbot-157-55-39-202.search.msn.com)
- Network Associations: 14 instances (MSFT-GFS)
The IP maintains strong, consistent associations with Microsoft's search infrastructure. All relationships indicate legitimate cloud hosting operations.
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## RECOMMENDED ACTIONS
Security Posture: Monitor but no blocking required.
The IP represents legitimate Microsoft Azure infrastructure engaged in search indexing operations. Standard operational procedures apply:
1. Allow inbound/outbound traffic on ports 80/443
2. Monitor for unusual outbound patterns
3. No firewall rules recommended for blocking
---
## INTELLIGENCE NOTE
This IP should not be flagged as malicious. The address is part of Microsoft's legitimate search bot infrastructure (MSN Search). Blocking may impact search indexing operations and is not recommended. Monitor for any changes in behavior or risk profile that deviate from established baselines.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT-GFS |
| CIDR Block | 157.54.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | msnbot-157-55-39-202.search.msn.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | msnbot-157-55-39-202.search.msn.com |
π DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 β Basic operator with some routing infrastructure |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 24% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-30 00:19:34 UTC |
| Last Seen | 2026-06-29 06:54:40 UTC |
| Profile Built | 2026-06-29 07:03:18 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 25 |
Full dossier details are available via our API.