18.239.168.4
Target IP 18.239.168.4/32 was identified as part of Amazon.com, Inc. (ASN 16509) infrastructure. The address resolved to a CloudFront domain (server-18-239-168-4.bos50.r.cloudfront.net) and operated web services on TCP ports 80 and 443. Reputation analysis assigned a Low Risk classification with a score of 20. No known attacker indicators or active campaigns were associated with the address.
Geolocation data indicated the US (Boston), though a contradiction existed between the claimed location and RTT physics measurements (12ms vs. 152.5ms minimum). The local /24 neighborhood was classified as mostly clean but contained ten threat siblings among ninety-four active siblings. Due to signal contradictions, the profile recommended monitoring the address with low severity.
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-18-239-168-4.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-168-4.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 | Tier 2 — Moderate operator sophistication with routing hygiene |
🔌 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 | 33% | 2 | 4 |
| routing | 30% | 3 | 4 |
| services | 27% | 2 | 4 |
| ownership | 30% | 3 | 4 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 28% | 13 | 22 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-13 23:47:43 UTC |
| Last Seen | 2026-09-27 01:10:48 UTC |
| Profile Built | 2026-09-27 01:17:18 UTC |
| Data Freshness | Live |
| Signal Types | 30 |
| Total Observations | 44 |
Full dossier details are available via our API.