40.99.164.210
40.99.164.210 is an IPv4 address operated by Microsoft Corporation (AS8075), geolocated to Cheyenne, United States. As of November 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
The asset 40.99.164.210 was identified as infrastructure belonging to Microsoft Corporation (ASN 8075). It operated as a web server hosting HTTP and HTTPS services. A DigiCert TLS certificate associated with Outlook and Microsoft domains was verified. The overall reputation was classified as Low Risk with a score of 25.
The profile indicated specific anomalies. Geolocation data placed the system in Wyoming, US, but RTT measurements suggested a physical distance contradiction. The IP was listed on one of eight DNSBLs. Behavioral analysis recorded zero enumeration strikes, WAF violations, or honeypot hits. Despite the clean behavioral history, the Threat Actor classification labeled the host as Suspicious.
Operational guidance recommended monitoring the asset due to signal contradictions present in the data.
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 | 40.74.0.0/15 |
| 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 | 4/7 domains |
| DMARC | 5/7 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 7 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 | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 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 | 40.96.0.0/13 |
| Route mapping | Found |
| 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 | 30% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 30% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-15 19:16:35 UTC |
| Last Seen | 2026-11-03 01:17:43 UTC |
| Profile Built | 2026-11-03 01:27:49 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 35 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 40.99.164.210
Who owns the IP address 40.99.164.210?
40.99.164.210 is registered to Microsoft Corporation. The address falls within the 40.74.0.0/15 network block. Registration is held at ARIN.
Where is 40.99.164.210 located?
Geolocation data places 40.99.164.210 in Cheyenne, Wyoming, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 40.99.164.210 malicious or safe?
40.99.164.210 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 40.99.164.210?
Responsive ports observed on 40.99.164.210 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.