3.5.129.36
Intelligence assessment for IP 3.5.129.36 identified the address as legitimate infrastructure operated by Amazon Data Services Northern Virginia (ASN 16509, AMAZON-S3). Network role classification assigned Web Server status with open ports 80, 443, and 8080. TLS validation confirmed a certificate issued by CN=Amazon RSA 2048 M04 for the subject *.s3.us-east-2.amazonaws.com. The threat profile yielded a Low Risk score of 25, with zero blacklist entries and no association with known attack campaigns. Geolocation data placed the asset in Columbus, OH, US, though validation flagged a contradiction between claimed coordinates and RTT physics measurements. Neighborhood analysis classified the subnet 3.5.129.36/24 as clean with zero threat siblings. Analysis recommended monitoring due to signal contradictions, though immediate mitigation was not required. Last observed activity recorded 2026-09-25.
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-deprecated.us-east-2.amazonaws.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | s3-deprecated.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 | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 8080 | http-alt | tcp | — |
| 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 | 2026-09-11T00:00:00+00:00 |
| Valid Until | 2027-03-27T23:59:59+00:00 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 33% | 1 | 197 |
| services | 0% | 0 | 0 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 9% | 2 | 198 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-30 06:03:28 UTC |
| Last Seen | 2026-09-25 21:45:50 UTC |
| Profile Built | 2026-09-25 21:56:54 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 421 |
Full dossier details are available via our API.