52.115.157.236
IP 52.115.157.236/32 was identified as Microsoft Corporation (ASN 8075) infrastructure within the Microsoft Azure cloud environment. Geolocation data confirmed the server location in San Francisco, California. The address presented as a hosting service with port 443/tcp (HTTPS) open, serving a TLS certificate for tr.teams.microsoft.com.
Threat intelligence classified the IP as Low Risk with a score of 25. No known campaigns, active attacks, or spam source status were recorded. Behavioral logs showed zero incidents, honeypot hits, or WAF violations. The surrounding subnet 52.115.157.0/24 maintained a clean classification with 3 threat siblings out of 84 total. Control plane analysis noted a single DNSBL listing against eight total lists.
Operational confidence was Very Low, and intent remained unclassified due to insufficient data. The recommendation was Monitor with low severity, noting the clean neighborhood context. The profile indicated a Live status with data freshness updated on 2026-10-29.
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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | tr.teams.microsoft.com*.tr.teams.microsoft.comturn.teams.microsoft.com*.turn.teams.microsoft.com*.relay.teams.microsoft.comaz.relay.teams.cloud.microsoft*.az.relay.teams.cloud.microsoft*.eu.az.relay.teams.cloud.microsoft*.am.az.relay.teams.cloud.microsoft*.apac.az.relay.teams.cloud.microsoft |
| Valid From | 2026-10-27T19:53:20+00:00 |
| Valid Until | 2027-02-04T18:53:20+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384RSA |
| Validity Period | 99 days |
🛡️ Public Network Snapshot
| Origin ASN | AS8075 |
| Network Prefix | 52.112.0.0/14 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-29 18:21:56 UTC |
| Last Seen | 2026-10-29 18:21:56 UTC |
| Profile Built | 2026-10-29 18:47:39 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 52.115.157.236
Who owns the IP address 52.115.157.236?
52.115.157.236 is registered to Microsoft Corporation. The address falls within the 52.96.0.0/12 network block. Registration is held at ARIN.
Where is 52.115.157.236 located?
Geolocation data places 52.115.157.236 in San Francisco, CA, 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 52.115.157.236 malicious or safe?
52.115.157.236 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 52.115.157.236?
Responsive ports observed on 52.115.157.236 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 52.115.157.236 a VPN, proxy, or data center address?
52.115.157.236 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.