IP Intelligence Briefing: 158.158.109.157
Date: 2026-06-17
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Microsoft Corporation (AS8075, APNIC)
- Geolocation: Madrid, Spain (40.42°N, -3.7°E)
- Network Role: Microsoft Azure CloudCompute (Hosting, Firewalled)
- Threat Indicators: No malware, phishing, or exploit activity detected.
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**2. Observation History**
- Recent Activity (Last 30 Days):
- Scanned 6 times (ports, TLS, HTTP).
- No persistent malicious behavior or campaign correlations.
- Geolocation inferred via multi-signal analysis (confidence: 56%).
- BGP stability confirmed (route stable, no anomalies).
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**3. Network Relationships**
- Linked Entities:
- Subnet: `158.158.0.0/16` (Microsoft APNIC)
- No malicious peer IPs or subnets detected.
- DNSSEC validated, no CAA records.
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**4. Neighborhood Analysis**
- Subnet: `158.158.109.157/24`
- Abuse Density: 0% (mostly clean).
- Neighbors:
- `158.158.109.150` (Risk: 25, Authority: 50)
- `158.158.109.204` (Risk: 25, Authority: 50)
- No suspicious sibling IPs or high-risk activity.
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**5. Threat Context**
- No Blacklists/Threat Feeds: Not listed in DNSBLs or threat intelligence platforms.
- Cloud Infrastructure: Likely Microsoft Azure-hosted service (no residential/mobile indicators).
- Behavioral Flags: No honeypot hits, enumeration attempts, or WAF violations.
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**6. Recommendations**
- Monitor: Track changes in geolocation or network behavior (e.g., unexpected port openings).
- Verify: Confirm if the IP is part of a legitimate Microsoft Azure service.
- Access Control: Ensure no unintended access to this IP from internal networks.
Conclusion: This IP is part of Microsoft's infrastructure and shows no signs of malicious activity. No immediate action required, but continued monitoring is advised for anomalies.
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*Generated via IPDebrief threat intelligence platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | IRT-MICROSOFT-APNIC-SG |
| ASN | AS8075 |
| Network Name | MICROSOFT-APNIC-AP |
| CIDR Block | 158.158.0.0/16 |
| RIR | ARIN |
| Country | SG |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| 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 | 47% | 2 | 5 |
| routing | 24% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 27% | 11 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:03:48 UTC |
| Last Seen | 2026-06-27 00:45:42 UTC |
| Profile Built | 2026-06-27 14:57:40 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 33 |
Full dossier details are available via our API.