16.15.39.87
16.15.39.87 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Portland, United States. As of November 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
Intelligence analysis identified IP 16.15.39.87 as a Web Server operating within Amazon Web Services infrastructure (AS16509, AMAZO-4). The address registered to Amazon.com, Inc., located in Portland, OR, with an overall risk score of 25. Open ports 80, 443, and 8080 were detected, and TLS certificate validation confirmed association with the `*.s3-us-west-2.amazonaws.com` domain.
Threat indicators remained absent, with no known campaigns or attacker classifications detected. Blacklist counts totaled zero, though one DNSBL listing existed within eight total lists. A threat actor classification of "Suspicious Host" was assigned due to threat indicators present but lacking specific classification. Analysis noted a contradiction between claimed geolocation and RTT physics measurements.
The recommendation was to Monitor the IP due to signal contradictions. No firewall rules were required, but persistent observation was advised to track potential changes in behavior.
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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ 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 | — |
| 8080 | http-alt | tcp | — |
| Closed Ports | 22, 25, 3389, 8443 (3 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| 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.com*.s3-deprecated.us-west-2.amazonaws.coms3-control.dualstack.us-west-2.amazonaws.coms3.amazonaws.coms3.dualstack.us-west-2.amazonaws.com*.s3-control.dualstack.us-west-2.amazonaws.com |
| Valid From | 2026-09-16T00:00:00+00:00 |
| Valid Until | 2027-04-01T23:59:59+00:00 |
| 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 | 16.15.39.0/24 |
| Route mapping | Found |
| 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 | 50% | 2 | 3 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 35% | 2 | 2 |
| Overall | 30% | 8 | 10 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-28 17:48:31 UTC |
| Last Seen | 2026-11-03 15:48:19 UTC |
| Profile Built | 2026-11-03 15:56:14 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 16.15.39.87
Who owns the IP address 16.15.39.87?
16.15.39.87 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 16.15.39.87 located?
Geolocation data places 16.15.39.87 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 16.15.39.87 malicious or safe?
16.15.39.87 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 16.15.39.87?
Responsive ports observed on 16.15.39.87 include 80, 443, 8080. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.