IP Intelligence Briefing: 72.146.3.152
*Generated from IPDebrief analysis*
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**Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Microsoft Corporation (ASN 8075, MSFT netname)
- Geolocation: Milan, Lombardy, Italy (45.46°N, 9.19°E)
- Network Role: Microsoft Azure cloud infrastructure (Firewalled / No Services)
- Threat Indicators: No malicious indicators, zero threat feeds, no spam, or Tor exit node associations.
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**Observation History**
- Recent Activity:
- Confirmed geolocation in Italy (MaxMind) with 70% confidence.
- Subnet abuse density: 1/100 (mostly clean, inherited risk score 2).
- Listed in 1 DNSBL (out of 8 total lists) with "high" severity.
- Temporal Trends: No persistent malicious behavior; threat observation count: 1.
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**Network Relationships**
- Linked Entities:
- Same network: Microsoft Azure (MSFT)
- No distinct subnets or organizations tied to this IP.
- Control Plane:
- BGP prefix: 72.144.0.0/14
- DNSSEC valid, but flagged in 1 DNSBL.
- No route instability or CDN/VPN/proxy associations.
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**Neighborhood Analysis**
- Subnet: 72.146.3.152/24
- Abuse Density: 1/100 (mostly clean)
- Neighbors: No active sibling IPs reported (zero neighbors).
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**Actionable Insights**
- Threat Context:
- Legitimate Microsoft Azure IP; no malicious activity detected.
- DNSBL listing may indicate false positives or misconfigured records.
- Recommendations:
- Monitor for unexpected traffic patterns or DNS anomalies.
- Verify DNSBL flags with Microsoft's security team if critical services are impacted.
- Firewall Rules: No specific rules required due to low risk and legitimate provider status.
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Conclusion: This IP is part of Microsoft's cloud infrastructure and poses no immediate threat. The DNSBL listing warrants investigation but does not justify blocking. SOC teams should treat it as a trusted asset unless anomalous behavior is observed.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT |
| CIDR Block | 72.144.0.0/14 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 20% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-26 00:51:10 UTC |
| Last Seen | 2026-06-29 02:37:01 UTC |
| Profile Built | 2026-06-29 02:41:59 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
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