52.112.87.221
Intelligence Briefing: IP 52.112.87.221
The IP address 52.112.87.221 was identified as Microsoft Corporation infrastructure associated with ASN 8075. The host operated within the Microsoft Azure cloud environment and served traffic on ports 80 (HTTP) and 443 (HTTPS). Network analysis confirmed a TLS certificate issued by Microsoft TLS G2 RSA CA OCSP 16 covering *.trouter.teams.microsoft.com.
The address maintained a risk score of 25, categorized as Low Risk, with zero blacklist entries. Behavioral indicators showed no WAF violations, honeypot hits, or enumeration strikes. Geolocation data reported San Francisco, California, which contradicted RTT physics measurements indicating a distance of 8,860km.
The IP remained active between August 29 and September 26, 2026. Due to the presence of signal contradictions and
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 | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.trouter.teams.microsoft.com*.trouter.communication.microsoft.com*.trouter.communications.svc.cloud.microsoft |
| Valid From | 2026-08-23T21:59:11+00:00 |
| Valid Until | 2027-02-19T21:59:11+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384RSA |
| Validity Period | 180 days |
| Serial Number | 4300E7F47B679F9FEDB8B51E30000000E7F47B |
| Thumbprint | 4419B1680B0AA144933A7110F060336712C170D5 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 19% | 1 | 2 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 1 |
| geolocation | 19% | 2 | 2 |
| Overall | 20% | 9 | 12 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 09:40:33 UTC |
| Last Seen | 2026-09-26 07:26:43 UTC |
| Profile Built | 2026-09-26 07:37:02 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 33 |
Full dossier details are available via our API.