52.112.23.65
Intelligence Briefing: 52.112.23.65/32
Ownership and Role
The address was identified as a Microsoft Azure cloud computing host registered to Microsoft Corporation (ASN 8075, 52.96.0.0/12). Geolocation data placed the infrastructure in Virginia, US (America/New_York timezone), though signal validation noted contradictions between claimed location and RTT physics.
Technical Profile
The host presented open ports 80 (HTTP) and 443 (HTTPS). The TLS certificate was issued by Microsoft TLS G2 RSA CA OCSP 02 for the subject *.flightproxy.teams.microsoft.com. The server banner identified the application as Kestrel running HTTP/2.0.
Threat Assessment
The overall reputation was classified as Low Risk with a risk score of 25. No active threat indicators, known attacker signatures, or spam source signatures were observed. Behavioral logs recorded zero total incidents. However, control plane data indicated one listing on a DNS blacklist out of eight total lists.
Neighborhood
The subnet 52.112.23.0/24 was classified as mixed with an abuse density of 0.375. The neighborhood contained eight active siblings, including three threat siblings.
Recommendations
The analysis recommended monitoring due to signal contradictions, specifically regarding geolocation and RTT measurements. The severity was rated low. Observations were recorded between 2026-09-07 and 2026-09-14.
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 | 52.96.0.0/12 |
| 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 | 4/4 domains |
| DMARC | 4/4 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 4 domains |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Kestrel |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.flightproxy.teams.microsoft.com*.flightproxy.teams.cloud.microsoft |
| Valid From | 2026-08-27T04:26:59+00:00 |
| Valid Until | 2027-02-23T04:26:59+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384RSA |
| Validity Period | 180 days |
| Serial Number | 4100C9AEA856C6C945D45E9C92000000C9AEA8 |
| Thumbprint | 551A5A685CA47B42174A9152FF2644719EBEEE8B |
🎯 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 | 3 |
| reputation | 22% | 1 | 4 |
| geolocation | 27% | 2 | 4 |
| Overall | 25% | 10 | 22 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-07 01:39:54 UTC |
| Last Seen | 2026-09-23 14:17:29 UTC |
| Profile Built | 2026-09-23 14:25:23 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 42 |
Full dossier details are available via our API.