3.5.133.203
IP address 3.5.133.203/32 was identified as an infrastructure node associated with Amazon Web Services (AWS) under ASN 16509. Ownership records linked the address to Amazon Data Services Northern Virginia within the 3.5.0.0/16 block. The endpoint functioned as a web server with an AmazonS3 banner, resolving via PTR to s3-website.us-east-2.amazonaws.com. Open ports included 80, 443, and 8080, with TLS certificates issued for *.s3.us-east-2.amazonaws.com. The threat profile maintained a risk score of 25 with no blacklist listings or known campaign associations. Behavioral analysis recorded zero incidents, honeypot hits, or enumeration strikes. A geolocation contradiction was noted, as claimed Columbus, OH coordinates conflicted with RTT physics measurements. Despite low malicious indicators, signal inconsistencies classified the host as a suspicious entity. The recommendation was to monitor the address for activity changes due to signal contradictions.
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-website.us-east-2.amazonaws.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | s3-website.us-east-2.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 38% | 2 | 4 |
| routing | 42% | 2 | 3 |
| services | 43% | 2 | 5 |
| ownership | 36% | 3 | 4 |
| reputation | 13% | 1 | 1 |
| geolocation | 27% | 2 | 3 |
| Overall | 33% | 12 | 20 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (65%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-14 01:59:59 UTC |
| Last Seen | 2026-09-26 04:54:25 UTC |
| Profile Built | 2026-09-26 05:20:45 UTC |
| Data Freshness | Live |
| Signal Types | 33 |
| Total Observations | 45 |
Full dossier details are available via our API.