20.3.0.251
Intelligence Briefing: 20.3.0.251/32
Infrastructure Identification
Analysis identified the IP 20.3.0.251/32 as belonging to Microsoft Corporation (AS8075). The address was registered under the CIDR block 20.0.0.0/11 within the ARIN RIR. Geolocation data placed the infrastructure in Boston, US, operating within the Microsoft Azure network.
Threat Profile
Reputation assessment returned a Low Risk status with a risk score of 0. Threat intelligence feeds indicated no active blacklists, known campaigns, or abuse confidence scores. The IP was not flagged as a known attacker, proxy, or Tor exit node.
Network Observations
Passive scans detected port 443/tcp (HTTPS) as open. TLS certificate inspection confirmed the issuer as Microsoft TLS G2 RSA CA OCSP 16. The certificate subject matched the domain licensing.md.mp.microsoft.com, validating the endpoint as a Microsoft licensing service.
Recommendation
Observations indicated the address functioned as a legitimate Microsoft Azure web server. No immediate threat indicators were present. Traffic was observed consistent with legitimate Microsoft Azure operations.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT |
| CIDR Block | 20.0.0.0/11 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Microsoft-Azure-Application-Gateway/v2 |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | licensing.mp.microsoft.com*.licensing.mp.microsoft.com*.frontdoor.licensing.commerce.microsoft.comlicensing.md.mp.microsoft.com |
| Valid From | 2026-08-28T06:10:18+00:00 |
| Valid Until | 2027-02-24T06:10:18+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384RSA |
| Validity Period | 180 days |
| Serial Number | 5500C108B42FDAC2B7F46053CD000000C108B4 |
| Thumbprint | 280A0041C1D34314FDDF6F05482169A3421A232D |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 37% | 2 | 6 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 4 |
| ownership | 27% | 2 | 4 |
| reputation | 27% | 1 | 5 |
| geolocation | 35% | 2 | 3 |
| Overall | 28% | 10 | 23 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 13:07:50 UTC |
| Last Seen | 2026-09-16 01:01:50 UTC |
| Profile Built | 2026-09-16 01:06:33 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 37 |
Full dossier details are available via our API.