16.15.47.105
IP 16.15.47.105/32 is owned by Amazon.com, Inc. (ASN 16509) and resolves to an Amazon S3 web server running on standard HTTP/HTTPS ports. Security posture includes valid SPF and DMARC records along with a trusted TLS certificate, resulting in a low overall risk score of 25. Operational anomalies exist where claimed geolocation in Portland contradicts RTT measurements, and the IP is listed on eight DNS blocklists with a maximum severity of high. Despite being flagged as a suspicious host, no specific malicious intent has been confirmed, leading to a recommendation to monitor for changes.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-4 |
| CIDR Block | 16.15.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ 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 | — |
| 8080 | http-alt | tcp | — |
| Closed Ports | 22, 25, 3389, 8443 (3 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
CN=*.s3-us-west-2.amazonaws.com was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.| SANs | *.s3-us-west-2.amazonaws.com*.s3.amazonaws.coms3-control.us-west-2.amazonaws.com*.s3.dualstack.us-west-2.amazonaws.coms3-deprecated.us-west-2.amazonaws.coms3-control.dualstack.us-west-2.amazonaws.com*.s3-deprecated.us-west-2.amazonaws.coms3.amazonaws.coms3.dualstack.us-west-2.amazonaws.com*.s3-control.dualstack.us-west-2.amazonaws.com |
| Valid From | 2025-11-18T00:00:00+00:00 |
| Valid Until | 2026-10-30T23:59:59+00:00 (expired) |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 16.15.47.0/24 |
| Route mapping | Found |
| RPKI Status | Valid |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 30% | 3 | 4 |
| services | 27% | 2 | 3 |
| ownership | 30% | 3 | 4 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 26% | 13 | 19 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-03 14:31:05 UTC |
| Last Seen | 2026-10-26 11:26:33 UTC |
| Profile Built | 2026-10-29 11:35:11 UTC |
| Data Freshness | Live |
| Signal Types | 29 |
| Total Observations | 40 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 16.15.47.105
Who owns the IP address 16.15.47.105?
16.15.47.105 is registered to Amazon.com, Inc.. The address falls within the 16.15.0.0/16 network block. Registration is held at ARIN.
Where is 16.15.47.105 located?
Geolocation data places 16.15.47.105 in Portland, OR, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 16.15.47.105 malicious or safe?
16.15.47.105 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 16.15.47.105?
Responsive ports observed on 16.15.47.105 include 80, 443, 8080. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.