18.239.178.19
Intelligence Briefing: 18.239.178.19/32
Assessment: Analysis of IP 18.239.178.19/32 classified the address as a low-risk asset with a reputation score of 20. Ownership records attributed the IP to Amazon.com, Inc. (AS16509) within the AMAZON-CF CIDR block. Network role identification confirmed the address as a CloudFront Web Server infrastructure.
Technical Observations: DNS resolution pointed to server-18-239-178-19.bos50.r.cloudfront.net. HTTP and HTTPS services (ports 80, 443) were active. A TLS certificate issued by Sectigo Limited was observed for the domain samsungapps.com.
Data Integrity: Geolocation validation reported inconsistencies, with sources conflicting between US and KR. RTT measurements of 16ms contradicted the physical distance of approximately 7,626 km. No known malicious campaigns, blacklist hits, or honeypot strikes were recorded. The surrounding subnet classification remained clean with zero abuse density.
Recommendation: Rate-limit traffic to the address due to multiple signal contradictions affecting profile reliability. Implement firewall rules restricting packet rates to mitigate potential risks associated with data unreliability.
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-18-239-178-19.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-239-178-19.bos50.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 3/6 domains |
| DMARC | 3/6 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 6 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | *.samsungapps.comsamsungapps.com |
| Valid From | 2026-01-27T00:00:00+00:00 |
| Valid Until | 2027-02-27T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 396 days |
| Serial Number | 064772DF706B47674722C1834FCBB1A6 |
| Thumbprint | EAD7059B63800BE769A6AE97EBE740532E38D9C9 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 38% | 2 | 5 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 4 |
| geolocation | 37% | 2 | 6 |
| Overall | 29% | 10 | 23 |
| Data Coherence | Contradictory (48%) — 3 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Geo sources disagree on country: KR, US
⚠ TLS certificate claims KR but primary geo says US
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 03:19:10 UTC |
| Last Seen | 2026-09-22 02:07:37 UTC |
| Profile Built | 2026-09-22 02:21:11 UTC |
| Data Freshness | Live |
| Signal Types | 33 |
| Total Observations | 59 |
Full dossier details are available via our API.