18.239.168.103
IP address 18.239.168.103 operated as a web server within Amazon.com, Inc. infrastructure (AS16509). The endpoint hosted HTTP and HTTPS services and resolved to cloudfront.net domain names. Risk assessment assigned a Low Risk reputation with a score of 25. No known campaigns, threat indicators, or blacklist entries were observed.
Geolocation data indicated a US-MA origin, though RTT measurements contradicted this claim with a 7625.7km distance versus a 15ms RTT. DNS hygiene was rated Excellent with SPF and DMARC records in place. Behavioral analysis recorded zero honeypot hits or WAF violations. Despite a "suspicious" threat actor tag, no specific malicious intent was classified. The profile recommendation was to Monitor the address due to signal contradictions, with a severity of low.
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-18-239-168-103.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-168-103.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 | 38% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 38% | 2 | 5 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 27% | 10 | 20 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 18:25:24 UTC |
| Last Seen | 2026-09-21 16:00:52 UTC |
| Profile Built | 2026-09-21 16:07:40 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 37 |
Full dossier details are available via our API.