# IP INTELLIGENCE BRIEFING: 4.246.135.70/32
Date: Current
Classification: Low Risk - Cloud Infrastructure
Primary Analyst: IPDebrief Intelligence
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## EXECUTIVE SUMMARY
IP 4.246.135.70 is a Microsoft Corporation Azure cloud infrastructure address with a risk score of 25 (Low Risk). The address is associated with Microsoft's enterprise network (AS8075, 4.240.0.0/12) and demonstrates stable, benign operational characteristics. No active threat indicators detected. Recommended for routine monitoring without blocking.
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## OWNERSHIP & INFRASTRUCTURE
| Attribute | Value |
|---|---|
| Organization | Microsoft Corporation |
| ASN | 8075 (MSFT) |
| Network Block | 4.240.0.0/12 |
| Cloud Provider | Microsoft Azure |
| Infrastructure Type | Cloud Infrastructure |
| Geolocation | Washington, VA, US |
| Geolocation Confidence | High (Consensus) |
The IP address is part of Microsoft's enterprise cloud infrastructure, specifically Azure services. Registration under Microsoft Corporation (AS8075) with CIDR block 4.240.0.0/12 confirms legitimate enterprise cloud usage.
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## RISK ASSESSMENT
Overall Risk Score: 25 / 100 (Low Risk)
Risk Indicators:
- Reputation: Low Risk
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Proxy/VPN: No
- DNSBL Listings: 1 of 8 total lists
- Abuse Confidence Score: Not applicable (legitimate cloud)
Network Classification:
- Provider: Microsoft Azure
- Connection Type: Cloud
- Service Status: Firewalled / No Services
- Open Ports: None detected
- TLS Certificates: None
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## OBSERVATION HISTORY
Total Observations: 18
Recent Activity:
- June 2026: Multiple signal observations recorded
- DNSBL: 1 listing detected (highest severity: high)
- Subnet Analysis: Classification "mostly_clean" with 0.6 abuse density
- Ownership Stability: No changes detected
- Threat Persistence: 0 days (not persistently malicious)
- Threat Observation Count: 1
Temporal Analysis:
- Ownership changes: 0
- Threat persistence: 0 days
- Is persistently malicious: No
- Route stability: Stable
---
## RELATIONSHIP GRAPH
Connected Entities: 12 relationships detected
- All relationships: Microsoft (MSFT) network associations
- Network type: Same Network (Microsoft infrastructure)
The IP demonstrates consistent association with Microsoft's enterprise network infrastructure, indicating legitimate cloud service usage patterns.
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## NEIGHBORHOOD ANALYSIS
Subnet: 4.246.135.70/24
Abuse Density: 0.0
Classification: Mostly Clean
Total Siblings: 6
Neighbor Risk Distribution:
- High Risk: 0
- Medium Risk: 3 (scores: 40-50)
- Low Risk: 3 (scores: 0-50)
Notable Neighbors:
- 4.246.135.1: Risk 50
- 4.246.135.3: Risk 0
- 4.246.135.65: Risk 50
- 4.246.135.68: Risk 40
- 4.246.135.69: Risk 0
- 4.246.135.74: Risk 0
The /24 subnet shows mixed risk levels with 3 medium-risk neighbors, though the target IP itself maintains low risk.
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## SERVICES & FINGERPRINTING
Open Ports: None detected
HTTP/HTTPS: No services detected
TLS Certificates: None
Server Banner: None
Fingerprinting: Unable to fingerprint (firewalled)
The address presents no open services, consistent with Microsoft Azure infrastructure firewalls.
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## RECOMMENDED ACTIONS
Security Posture: Monitor - No Action Required
Recommended Actions:
1. Firewall Rules: No specific blocking recommended
2. Threat Monitoring: Routine monitoring appropriate
3. Classification: Legitimate cloud infrastructure
Rationale: Risk score of 25 indicates low threat likelihood. Microsoft Azure infrastructure typically presents legitimate traffic patterns. The single DNSBL listing appears to be a historical artifact without current malicious activity.
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## TRAFFIC ANALYSIS
Traceroute:
- Hop Count: 29
- Transit Networks: Comcast
- Timed Out Hops: 20
Control Plane:
- Origin ASN: 8075
- BGP Prefix: 4.240.0.0/12
- Route Stability: Stable
- DNSSEC: Valid
- Route Changes (30d): 0
---
## CONCLUSION
IP 4.246.135.70/32 is Microsoft Azure cloud infrastructure with low risk characteristics. The address demonstrates stable ownership, consistent network associations, and no active threat indicators. SOC analysts should classify this as legitimate cloud infrastructure requiring routine monitoring rather than threat investigation.
Priority: LOW
Action: ROUTINE MONITORING
Block Recommendation: NO
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 |
| CIDR Block | 4.240.0.0/12 |
| RIR | ARIN |
| Country | United States |
| 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 | |||
| 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 | 3 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-30 10:59:13 UTC |
| Last Seen | 2026-06-29 07:44:03 UTC |
| Profile Built | 2026-06-29 07:53:17 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 20 |
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