52.161.35.143
Intelligence assessment for IP 52.161.35.143/32 identified the address as part of Microsoft Corporation (ASN 8075) infrastructure operating within Microsoft Azure CloudCompute. The address was classified as Low Risk with a risk score of 0 and maintained a clean neighborhood classification with 0 abuse density. Security posture indicators showed zero known blacklists, no active attacker status, and no observed threat campaigns. Network scans revealed TCP port 443 (HTTPS) open, utilizing HTTP/2.0 with an HSTS header present. The TLS certificate subject was identified as CN=Kubernetes Ingress Controller Fake Certificate. Behavioral analysis recorded zero honeypot hits or enumeration strikes. Based on the intent classification of Legitimate Infrastructure and the absence of significant risk indicators, the recommended action was to Allow traffic with an information-level severity.
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 | 52.145.0.0/16 |
| 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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | ingress.local |
| Valid From | 2026-09-15T05:01:47+00:00 |
| Valid Until | 2027-09-15T05:01:47+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 365 days |
| Serial Number | 646C7C0DE905A3671D2F474E10C8C8E6 |
| Thumbprint | 5F933E715A06F6EA1F41E34444FFE04CEDAEA5C2 |
🎯 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 | 33% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 01:58:40 UTC |
| Last Seen | 2026-09-20 01:36:15 UTC |
| Profile Built | 2026-09-23 05:15:52 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 27 |
Full dossier details are available via our API.