18.161.34.43
Intelligence Briefing: 18.161.34.43/32
Classification: Low Risk (Score: 20)
Ownership: Amazon.com, Inc. (AS16509) – CloudFront Infrastructure
Network Activity: The IP was observed serving standard HTTP (80) and HTTPS (443) web traffic. DNS resolution returned cloudfront.net with valid SPF, DMARC, and CAA records. No blacklist associations, known campaigns, or attacker indicators were identified.
Anomalies: Geolocation data indicated Seattle, Washington, USA, which contradicted RTT physics measurements (7883km distance vs. 15ms minimum RTT).
Neighborhood: The /24 subnet was classified clean with an abuse density of 0.0286, though one threat sibling was recorded.
Recommendation: Monitor. Signal contradictions regarding geolocation and RTT data require observation, but no immediate mitigation is required.
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 | 18.160.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-18-161-34-43.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-161-34-43.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 | 33% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 37% | 2 | 6 |
| ownership | 27% | 2 | 3 |
| reputation | 27% | 1 | 5 |
| geolocation | 38% | 2 | 5 |
| Overall | 29% | 10 | 25 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 18:14:32 UTC |
| Last Seen | 2026-09-21 12:19:40 UTC |
| Profile Built | 2026-09-21 12:29:42 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 44 |
Full dossier details are available via our API.