23.103.226.144
Intelligence Briefing for 23.103.226.144/32
Observations indicated IP 23.103.226.144 was owned by Microsoft Corporation (AS8075), operating as a cloud compute web server in Boston, US. The address resolved to ports 80 (HTTP) and 443 (HTTPS) utilizing TLS certificates issued to the outlook.com domain by DigiCert Inc. Risk analysis assigned a Low Risk reputation with a score of 25, though the control plane identified one DNSBL listing. Geolocation data contradicted RTT physics measurements, and route stability was flagged as false. While no specific attack campaigns were matched, the threat actor classification labeled the host as Suspicious with a low confidence score of 0.1833. Due to signal contradictions and insufficient intent data, the recommendation was to Monitor the address with low 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 | 23.96.0.0/13 |
| 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 | 15/21 domains |
| DMARC | 18/21 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 21 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 | Microsoft-HTTPAPI/2.0 |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | outlook.com*.hotmail.com*.internal.outlook.com*.live.com*.office.com*.office365.com*.outlook.com*.outlook.office365.comattachment.outlook.live.netattachment.outlook.office.net |
| Valid From | 2026-06-26T00:00:00+00:00 |
| Valid Until | 2027-01-10T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
| Serial Number | 0E371D2766FD365DADDCF4004297839E |
| Thumbprint | C7C19E04464D744D810EF31A24C54FC22A7909C5 |
🎯 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 | 37% | 2 | 6 |
| ownership | 27% | 2 | 4 |
| reputation | 22% | 1 | 4 |
| geolocation | 37% | 2 | 6 |
| Overall | 29% | 10 | 27 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-02 03:02:46 UTC |
| Last Seen | 2026-09-25 10:57:50 UTC |
| Profile Built | 2026-09-25 11:17:45 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 67 |
Full dossier details are available via our API.