3.5.129.123
On September 3, 2026, IP address 3.5.129.123 was first observed within the Amazon Data Services Northern Virginia network (ASN 16509). The address resolved to s3-r-w.us-east-2.amazonaws.com and operated as a Web Server on ports 80, 443, and 8080, utilizing TLS encryption issued by Amazon RSA 2048 M01 for the *.s3.us-east-2.amazonaws.com domain.
Threat intelligence classified the asset as Low Risk with a risk score of 25. No blacklists, known campaigns, or specific threat indicators were associated with the address. Behavioral metrics recorded zero honeypot hits, enumeration strikes, or WAF violations, and the subnet 3.5.129.123/24 was classified as clean with an abuse density of 0.05.
A geolocation contradiction was identified where the claimed location in Columbus, Ohio, contradicted the RTT physics measurement (41ms RTT versus a minimum possible 131.6ms for the 6581km distance). Due to these signal contradictions, the asset was assigned a Monitor recommendation with low severity. The address remained active through September 24, 2026.
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-r-w.us-east-2.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | s3-r-w.us-east-2.amazonaws.coms3-r-w.us-east-2.amazonaws.coms3-r-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 | 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 | 34% | 1 | 19 |
| services | 27% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 27% | 10 | 34 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-03 19:29:52 UTC |
| Last Seen | 2026-09-24 09:24:30 UTC |
| Profile Built | 2026-09-24 09:51:00 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 59 |
Full dossier details are available via our API.