52.123.251.26
52.123.251.26 is an IPv4 address operated by Microsoft Corporation (AS8075), geolocated to Redmond, United States. As of October 30, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
IP 52.123.251.26 is attributed to Microsoft Corporation (ASN 8075) and functions as a web server with TLS certificates covering Microsoft domains such as outlook.com and office365.com. Open ports 80, 443, and 8443 are active, while DNS hygiene is rated Fair due to partial SPF and DMARC implementation across the associated domain list. Although the overall risk score is low at 25, the host is classified as a "Suspicious Host" with threat indicators present and no specific campaign matches detected. Data confidence remains low at 0.3133, primarily due to a contradiction between the claimed Redmond geolocation and observed RTT physics measurements. The recommended action is to monitor the address for changes, maintaining a low severity status.
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 | 5/9 domains |
| DMARC | 6/9 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 9 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | Web server detected |
| 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 |
🛡️ Public Network Snapshot
| Origin ASN | AS8075 |
| Network Prefix | 52.120.0.0/14 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 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 | 29% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 27% | 1 | 5 |
| geolocation | 38% | 2 | 5 |
| Overall | 28% | 10 | 24 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-27 22:45:51 UTC |
| Last Seen | 2026-10-30 13:43:51 UTC |
| Profile Built | 2026-10-30 14:09:14 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 47 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 52.123.251.26
Who owns the IP address 52.123.251.26?
52.123.251.26 is registered to Microsoft Corporation. The address falls within the 52.120.0.0/14 network block. Registration is held at ARIN.
Where is 52.123.251.26 located?
Geolocation data places 52.123.251.26 in Redmond, WA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 52.123.251.26 malicious or safe?
52.123.251.26 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 52.123.251.26?
Responsive ports observed on 52.123.251.26 include 80, 443, 8443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.