18.239.168.11
Intelligence Briefing: 18.239.168.11/32
The target IP 18.239.168.11 was identified as infrastructure belonging to Amazon.com, Inc. (ASN 16509) within the AMAZON-CF network (CIDR 18.238.0.0/15). The profile classified the IP as a "Suspicious Host" despite a Low Risk reputation score of 25. DNS resolution confirmed the address belongs to `server-18-239-168-11.bos50.r.cloudfront.net`, and the service banner returned CloudFront.
Technical analysis showed the host opened TCP ports 80 and 443. The control plane indicated a "Hosting" network tier with an operator score of 0.2174. While the geolocation reported Boston, US, the control plane flagged a contradiction between the claimed location and RTT physics measurements (15ms RTT vs 7,625.7km distance). The neighborhood classification was "mostly clean" with an abuse density of 0.1226, though 13 threat siblings were detected among 106 active siblings.
Threat intelligence gathered included one DNSBL listing out of eight total lists. The recommendation was to Monitor with Low severity due to signal contradictions. Overall confidence was labeled Very Low (0.2
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-18-239-168-11.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-168-11.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 | 4 |
| routing | 13% | 1 | 1 |
| services | 38% | 2 | 5 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 1 |
| geolocation | 38% | 2 | 5 |
| Overall | 26% | 10 | 19 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 05:52:24 UTC |
| Last Seen | 2026-09-21 15:52:13 UTC |
| Profile Built | 2026-09-21 16:10:25 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 37 |
Full dossier details are available via our API.