13.33.74.91
Intel
Briefing for 13.33.74.91
Ownership: The address belonged to Amazon.com, Inc. (ASN 16509) under the AMAZO-CF netname, functioning as a Web Server within the CloudFront infrastructure.
Technical Profile: The system responded on TCP ports 80 and 443 with a CloudFront server banner. DNS records confirmed a reverse pointer to server-13-33-74-91.bos50.r.cloudfront.net, and TLS certificates validated against Amazon RSA 2048 M04.
Threat Assessment: The profile indicated a Low Risk reputation with a risk score of 25. Behavioral analysis showed zero honeypot hits, enumeration strikes, or WAF violations, and the address was not flagged as a known attacker or Tor exit node.
Anomalies: Contradictions existed within the control plane. While the threat overview listed zero blacklists, the control plane recorded one DNSBL listing. Additionally, geolocation data claimed a New York origin but contradicted RTT physics, showing a 16.0ms round-trip time against a minimum possible 119.4ms for the measured distance.
Neighborhood: The immediate subnet of 13.33.74.0/24 contained 50 total siblings, with 5 classified as threats.
Recommendation: The system recommended monitoring the address due to signal contradictions present in the data.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-CF |
| CIDR Block | 13.32.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-13-33-74-91.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-13-33-74-91.bos50.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
| 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 | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | CloudFront |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.cloudfront.netcloudfront.net |
| Valid From | 2026-08-25T00:00:00+00:00 |
| Valid Until | 2027-03-10T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
| Serial Number | 015E89F2D093DD92CD82A78C09A033C6 |
| Thumbprint | 5E9C8C0323F32C16F1D3F82DAE8E8E2D88E96056 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 33% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 38% | 2 | 4 |
| Overall | 26% | 10 | 18 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-13 17:29:57 UTC |
| Last Seen | 2026-09-24 02:12:42 UTC |
| Profile Built | 2026-09-24 02:41:48 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 34 |
Full dossier details are available via our API.