18.239.176.211
IP 18.239.176.211 was identified as Amazon.com, Inc. infrastructure (AS16509) within the AMAZON-CF network block. Ownership data confirmed the address as Amazon Web Services CloudFront. The host provided HTTP and HTTPS services with a TLS certificate for *.cloudfront.net issued by Amazon RSA 2048 M04.
Reputation analysis assigned a Low Risk score of 25. However, overall profile confidence was rated Very Low due to signal contradictions. Geolocation data claimed Boston, US, yet RTT measurements indicated a distance of 7625km with a latency of 22ms, violating physics expectations. Control plane data showed one DNS blacklist listing. Behavioral logs recorded no honeypot strikes, WAF violations, or campaign affiliations.
Neighborhood analysis classified the /24 subnet as mostly clean with two threat siblings. The operational recommendation was to Monitor the IP for changes, citing the presence of signal contradictions as the primary risk factor.
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-18-239-176-211.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-176-211.bos50.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ 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 | 40% | 2 | 7 |
| routing | 13% | 1 | 1 |
| services | 38% | 2 | 5 |
| ownership | 27% | 2 | 4 |
| reputation | 31% | 1 | 6 |
| geolocation | 33% | 2 | 4 |
| Overall | 30% | 10 | 27 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 22:08:58 UTC |
| Last Seen | 2026-09-19 05:59:22 UTC |
| Profile Built | 2026-09-19 06:47:01 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 45 |
Full dossier details are available via our API.