3.5.128.80
The assessment identified 3.5.128.80 as an Amazon Web Services (AWS) resource associated with the AMAZON-S3 organization (ASN 16509). The address resolved to s3-w.us-east-2.amazonaws.com. Network scanning observed open ports 80, 443, and 8080, with a TLS certificate issued for Amazon RSA 2048 M01.
The asset carried a Low Risk reputation score of 25 and a blacklist count of zero. Control plane data indicated one DNSBL listing across eight total lists. Neighborhood analysis classified the subnet as mostly clean with an abuse density of 0.0741, though two sibling addresses were marked as threats. Behavioral metrics recorded zero honeypot hits, enumeration strikes, or WAF violations.
Validation data presented a contradiction regarding geolocation, noting that the claimed Columbus, OH location conflicted with RTT physics (6580.9km distance versus 39.0ms minimum possible RTT). The profile classified the host as a Suspicious
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 | 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 | 075F79C2B32303609A25DE8583D1F8E2 |
| Thumbprint | 3DBB9A8EA89C1DD8DF473C1CF9666DAEB2C21F70 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 58% | 1 | 17 |
| services | 33% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 30% | 10 | 32 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-05 16:28:55 UTC |
| Last Seen | 2026-09-18 14:52:30 UTC |
| Profile Built | 2026-09-18 15:10:34 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 48 |
Full dossier details are available via our API.