3.5.131.169
Intelligence Briefing: 3.5.131.169/32
Risk Profile: The address was assigned a low risk score of 25 with zero blacklist matches. No threat indicators, abuse reports, or known campaign associations were detected.
Infrastructure: Ownership records identified the network under AS16509, Amazon Data Services Northern Virginia. The node was classified as Amazon Web Services CloudCompute infrastructure, specifically an Amazon S3 Web Server.
Network Activity: Open ports included 80/tcp (HTTP), 443/tcp (HTTPS), and 8080/tcp (HTTP-ALT). DNS resolution returned `s3-w.us-east-2.amazonaws.com`. TLS certificates were issued by CN=Amazon RSA 2048 M01, O=Amazon, C=US.
Geolocation: The IP was mapped to Columbus, United States (Ohio), operating within the America/New_York timezone.
Assessment: The endpoint is consistent with legitimate cloud infrastructure. Standard monitoring is recommended; no immediate defensive action is required.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS16509 |
| Network Name | AMAZON-S3 |
| CIDR Block | 3.5.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | s3-w.us-east-2.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | s3-w.us-east-2.amazonaws.coms3-w.us-east-2.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | 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 |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 8080 | http-alt | tcp | — |
| Closed Ports | 22, 25, 3389, 8443 (3 open / 7 scanned) | ||
| Server | AmazonS3 |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.s3.us-east-2.amazonaws.coms3.us-east-2.amazonaws.com*.s3.amazonaws.com*.s3-accesspoint.dualstack.us-east-2.amazonaws.com*.s3-control.us-east-2.amazonaws.coms3.dualstack.us-east-2.amazonaws.coms3-control.dualstack.us-east-2.amazonaws.com*.s3-deprecated.us-east-2.amazonaws.com*.s3.dualstack.us-east-2.amazonaws.coms3-control.us-east-2.amazonaws.com |
| Valid From | 2026-07-12T00:00:00+00:00 |
| Valid Until | 2027-01-25T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
| Serial Number | 075F79C2B32303609A25DE8583D1F8E2 |
| Thumbprint | 3DBB9A8EA89C1DD8DF473C1CF9666DAEB2C21F70 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 19% | 1 | 2 |
| services | 27% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 09:48:31 UTC |
| Last Seen | 2026-09-13 06:32:04 UTC |
| Profile Built | 2026-09-13 06:41:33 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 31 |
Full dossier details are available via our API.