3.5.131.106
Intelligence Briefing: 3.5.131.106/32
Classification
The target IP 3.5.131.106/32 maintained a Low Risk reputation score of 25. No active threat indicators, known campaigns, or attacker classifications were observed.
Infrastructure and Ownership
The IP operated within Amazon Web Services (AWS) infrastructure under the AMAZON-S3 organization (ASN 16509). DNS resolution confirmed the address `s3-w.us-east-2.amazonaws.com` within the `amazonaws.com` domain. A TLS certificate validated `*.s3.us-east-2.amazonaws.com`.
Network Exposure
Open ports included 80 (HTTP), 443 (HTTPS), and 8080 (HTTP-alt). The server banner identified as "AmazonS3". The IP was classified as Hosting infrastructure.
Anomalies and Observations
Geolocation data listed Columbus, Ohio, United States. Control plane analysis recorded a contradiction where the claimed geolocation contradicted RTT physics measurements (30.8ms average vs. 6580km minimum possible distance). One DNSBL listing was recorded out of eight total lists. Route stability was flagged as false.
Recommendation
Action: Monitor. Signal contradictions present require observation for changes.
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.coms3-w.us-east-2.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 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 | — |
| 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 | 0366E4CE615371059E0A3D11489858AF |
| Thumbprint | C0267BE78793B1B794062FC6EC6FB45E02613DA2 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 39% | 2 | 8 |
| routing | 33% | 1 | 37 |
| services | 38% | 2 | 5 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 4 |
| geolocation | 33% | 2 | 5 |
| Overall | 33% | 10 | 62 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 13:25:29 UTC |
| Last Seen | 2026-09-26 03:50:43 UTC |
| Profile Built | 2026-09-26 04:00:30 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 83 |
Full dossier details are available via our API.