18.161.34.105
The IP address 18.161.34.105 was identified as belonging to Amazon.com, Inc. (ASN 16509) under the AMAZON-CF organization. Ownership records indicated a CloudFront infrastructure role with DNS resolution to server-18-161-34-105.bos50.r.cloudfront.net. Open ports included TCP 80 and 443.
Reputation assessment assigned a Low Risk score of 25. However, behavioral analysis categorized the host as a Suspicious Host with a 55% attribution confidence. Control plane data revealed the address was listed on one DNS blacklist out of eight total lists. The surrounding neighborhood contained 88 total siblings, with 8 identified as threats and an abuse density of 0.0909.
Geo-validation presented a contradiction where the claimed Seattle, Washington location conflicted with RTT physics measurements, recording 14ms against a minimum possible of 157.7ms for the stated distance. Operational recommendation advised monitoring the address at low severity due to signal contradictions and the Suspicious Host classification.
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-18-161-34-105.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-161-34-105.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 | Unknown — Insufficient routing data to classify |
🔌 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 | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 50% | 2 | 3 |
| Overall | 32% | 9 | 11 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-14 03:37:30 UTC |
| Last Seen | 2026-09-14 03:37:30 UTC |
| Profile Built | 2026-09-14 03:53:46 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 24 |
Full dossier details are available via our API.