18.239.183.85
Intelligence analysis for 18.239.183.85/32 identified the address as an Amazon CloudFront edge node associated with Amazon.com, Inc. (AMAZON-CF). The profile classified reputation as Low Risk with a risk score of 20. Observed services included HTTP on port 80 and HTTPS on port 443, with forward DNS resolving to server-18-239-183-85.bos50.r.cloudfront.net. No blacklist entries, known campaigns, or malicious indicators were recorded. A contradiction existed between the reported Boston geolocation and RTT physics measurements. Analyst recommendation classified severity as low with an action to Monitor due to signal contradictions.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZON-CF |
| CIDR Block | 18.238.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-18-239-183-85.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-183-85.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 | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 5 |
| routing | 25% | 1 | 1 |
| services | 27% | 2 | 3 |
| ownership | 27% | 2 | 4 |
| reputation | 27% | 1 | 5 |
| geolocation | 19% | 2 | 2 |
| Overall | 26% | 10 | 20 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-09 12:05:16 UTC |
| Last Seen | 2026-09-23 23:57:02 UTC |
| Profile Built | 2026-09-24 00:11:18 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 37 |
Full dossier details are available via our API.