52.123.250.137
IP 52.123.250.137 was identified as a low-risk endpoint affiliated with Microsoft Corporation (ASN 8075) within the 52.120.0.0/14 CIDR block. The infrastructure operated as a cloud compute web server, exposing standard HTTP and HTTPS services on ports 80, 443, and 8443. TLS certificate validation confirmed the subject as outlook.com under Microsoft Corporation ownership in Redmond, Washington. Behavioral logs recorded zero honeypot hits, enumeration strikes, or WAF violations, with no associations to known campaigns or blacklist lists.
A discrepancy existed between the recorded geolocation and Round-Trip Time physics measurements, flagging a signal contradiction. While the surrounding subnet maintained a mostly clean classification with an abuse density of 0.1268, the overall confidence classification remained very low. Analysis recommended monitoring the endpoint for changes due to data contradictions, assigning a low severity level to the potential risk.
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 | 52.120.0.0/14 |
| 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 | 5/7 domains |
| DMARC | 6/7 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 7 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 | — |
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 3389, 8080 (3 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 | 38% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 33% | 2 | 4 |
| ownership | 33% | 2 | 4 |
| reputation | 31% | 1 | 4 |
| geolocation | 27% | 2 | 3 |
| Overall | 29% | 10 | 20 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-08 19:05:11 UTC |
| Last Seen | 2026-09-17 23:06:27 UTC |
| Profile Built | 2026-09-17 23:23:21 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 37 |
Full dossier details are available via our API.