18.239.168.109
Intelligence Briefing: 18.239.168.109/32
The IP address was classified as Low Risk with a risk score of 20. Ownership records identified Amazon.com, Inc. (ASN 16509) under the AMAZON-CF netname within the 18.238.0.0/15 block. DNS reverse resolution pointed to server-18-239-168-109.bos50.r.cloudfront.net, and service banners indicated CloudFront infrastructure on ports 80 and 443. Threat indicators were absent, with zero blacklist hits and no association with known campaigns. Geolocation data placed the node in Boston, US, though this contradicted RTT physics measurements. The immediate neighborhood showed mostly clean classification with a low abuse density. Due to signal contradictions regarding geolocation and RTT, the recommended action was to monitor for changes.
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-18-239-168-109.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-168-109.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 | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 14:02:45 UTC |
| Last Seen | 2026-09-25 23:37:52 UTC |
| Profile Built | 2026-09-25 23:53:23 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 33 |
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