# IP Intelligence Briefing: 20.203.254.37/32
Classification: Legitimate Cloud Infrastructure
Risk Level: Low (Score: 25/100)
Status: Monitored
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## Executive Summary
IP address 20.203.254.37 is identified as Microsoft Azure cloud infrastructure belonging to Microsoft Corporation (ASN 8075). The IP demonstrates low-risk characteristics with no active threat indicators, no open services, and no evidence of malicious activity. The address is part of Microsoft's cloud compute infrastructure and is classified as a firewalled/no services endpoint.
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## Ownership and Network Context
| Attribute | Value |
|---|---|
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Type | CloudCompute (Microsoft Azure) |
| Infrastructure Type | Cloud Hosting |
| CIDR Block | 20.203.254.0/24 |
The IP is associated with Microsoft's global cloud infrastructure, operating within the 20.192.0.0/10 BGP prefix space. Control plane analysis shows the operator score at 0.1304 (Minimal) with 8 DNSBL listings showing 0 actual listings, indicating no blacklist presence.
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## Geolocation Data
Discrepancy Noted: IP geolocation data shows conflicting locations:
- Primary record: US (Zurich region)
- Historical observations: Zurich, CH (Switzerland)
This inconsistency is common with Microsoft Azure's global cloud infrastructure, which uses distributed edge locations. The geolocation consensus is marked as false with 2 geo sources, but geo-plausibility assessment remains valid.
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## Threat Indicators Analysis
Threat Status: CLEAN
| Indicator | Status |
|---|---|
| Is Tor Exit Node | No |
| Is Known Attacker | No |
| Is Spam Source | No |
| Blacklist Count | 0 |
| Is Known Campaign Member | No |
| Threat Feeds | None |
| Abuse Confidence Score | N/A |
No threat indicators detected across all major threat feeds. The IP has no association with known attack campaigns or persistent malicious activity.
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## Network Behavior and Services
Service Exposure: NONE
- Open Ports: None detected
- DNS Records: No PTR hostnames, forward resolution count: 0
- HTTP Services: No open web services
- TLS Certificates: None
- Banner Grabbing: No server banners captured
The IP is configured as a firewalled endpoint with no publicly exposed services, consistent with Microsoft Azure's default security posture for cloud infrastructure.
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## Neighborhood Analysis
The /24 subnet (20.203.254.0/24) shows minimal abuse activity:
| Metric | Value |
|---|---|
| Abuse Density | 0 (mostly_clean) |
| Active Siblings | 1 |
| Threat Siblings | 1 |
| Inherited Risk | 2 |
| Total Subnet Siblings | 1 |
The subnet classification indicates a clean environment with no significant abuse concentration.
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## Historical Observation Summary
Total Observations: 25 signals recorded
Key historical findings:
- ASN 8075 (Microsoft) consistently identified across observations
- Operator score maintained at 0.1304 (Minimal)
- No persistent malicious behavior detected
- Threat persistence days: 0
- Is Persistently Malicious: No
- Threat observation count: 1 (historical baseline)
Recent observations (2026-06-19) confirm continued Microsoft ownership with stable routing and reputation metrics.
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## Relationship Graph
Total Relationships: 25
Relationship Type: Same Network (MSFT)
All relationships indicate connections to Microsoft's network infrastructure, confirming the IP's legitimate cloud hosting context.
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## Recommended Security Actions
Current Risk Score: 25 (Low Risk)
| Recommendation | Status |
|---|---|
| Allow/Block | Allow (legitimate infrastructure) |
| Firewall Rules | None required |
| Monitoring Level | Standard (no special action needed) |
| WAF Rules | N/A |
No specific security actions are recommended at this time. The IP represents legitimate Microsoft Azure infrastructure and should be permitted through standard firewall policies.
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## Threat Intelligence Conclusion
IP 20.203.254.37 is a benign Microsoft Azure cloud infrastructure endpoint. No threat indicators, malicious activity, or security concerns have been identified. The address should be treated as legitimate cloud infrastructure and allowed through network security controls. Continuous monitoring is recommended as part of standard cloud security practices, but no immediate action or blocking is warranted.
Analyst Note: The low-risk classification (Score: 25) combined with confirmed Microsoft ownership, zero blacklist presence, and clean subnet environment supports allowing traffic from this IP. Monitor for any behavioral changes that would indicate infrastructure compromise or misconfiguration.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | β |
| CIDR Block | β |
| RIR | ARIN |
| Country | β |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
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 | 31% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-07 23:04:07 UTC |
| Last Seen | 2026-06-27 03:21:24 UTC |
| Profile Built | 2026-06-27 21:26:58 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 26 |
Full dossier details are available via our API.