18.239.183.129
Intelligence Briefing: 18.239.183.129/32
Ownership and Registration: The address was attributed to Amazon.com, Inc. (ASN 16509) under the netname AMAZON-CF. Registration records were located with ARIN. Geolocation data placed the endpoint in Boston, US.
Network Role and Services: The infrastructure functioned as a Web Server within the AWS provider ecosystem. DNS PTR records resolved to server-18-239-183-129.bos50.r.cloudfront.net within the cloudfront.net domain. Active services were observed on TCP ports 80 and 443, with the server banner confirming CloudFront.
Threat Assessment: The IP maintained a Low Risk reputation with a risk score of 20. No blacklist hits, Tor exit node associations, or known campaign indicators were identified. The address was not flagged as a spam source or known attacker.
Operational Status: The endpoint represents legitimate content delivery infrastructure. No immediate defensive action was required based on current threat intelligence.
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-18-239-183-129.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-183-129.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 | 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 | 22% | 1 | 3 |
| 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 | 2026-08-29 03:53:43 UTC |
| Last Seen | 2026-09-15 05:25:01 UTC |
| Profile Built | 2026-09-15 05:29:00 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 35 |
Full dossier details are available via our API.