IP Intelligence Briefing: 20.151.19.161
Date: 2026-06-16
---
**Overview**
- Risk Score: 50 (Moderate Risk)
- Provider: Microsoft Azure (CloudCompute)
- Geolocation: United States (Massachusetts, Boston)
- Network Role: Hosting / Cloud Infrastructure
- Threat Indicators: No active malicious activity detected.
---
**Key Findings**
1. Ownership & Infrastructure
- Registered to Microsoft Corporation (ARIN).
- Part of 20.150.0.0/15 CIDR block, managed by Microsoft Azure.
- Classified as a cloud-hosted server with no residential/mobile characteristics.
2. Threat & Abuse
- No known malware campaigns, spam, or phishing activity linked to this IP.
- Listed in 2/8 DNSBLs (low-severity), but no active exploitation observed.
- No recent network scans, port activity, or TLS anomalies detected.
3. Network Neighborhood
- Subnet 20.151.19.0/24 shows 0% abuse density.
- One neighboring IP (20.151.19.26) has a lower risk score (25/100).
4. Historical Observations
- Consistent registration to Microsoft since at least 2026-06-16.
- No significant changes in geolocation, DNS, or threat signals.
---
**Recommendations**
- Allow traffic to/from this IP, as it is a legitimate cloud-hosted server.
- Monitor DNSBL listings for potential false positives or evolving threats.
- No immediate action required, but maintain baseline observability for anomalies.
---
Conclusion:
20.151.19.161 is a legitimate Microsoft Azure IP with no active malicious indicators. While it appears in minor DNSBLs, the lack of exploitation activity and low-risk profile suggest it is not a direct threat. Continue standard monitoring practices.
Tools Used: `ipdebrief_profile`, `ipdebrief_history`, `ipdebrief_relationships`, `ipdebrief_neighbors`.
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 | 20.150.0.0/15 |
| 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 | |||
| 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 | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 17% | 1 | 1 |
| Overall | 24% | 9 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-06-14 17:36:47 UTC |
| Last Seen | 2026-06-21 22:17:11 UTC |
| Profile Built | 2026-06-21 22:23:05 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 19 |
Full dossier details are available via our API.