16.15.37.37
16.15.37.37 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Portland, United States. As of November 7, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
IP address 16.15.37.37/32 was identified as a low-risk asset with a reputation score of 25. Ownership records confirmed the address belongs to Amazon.com, Inc. (AS16509), operating within the AMAZO-4 network block. Infrastructure classification indicated Amazon Web Services cloud compute hosting with open TCP ports 80, 443, and 8080. TLS certificate analysis confirmed the host served Amazon S3 domains within the us-west-2 region, matching the "AmazonS3" server banner.
Threat analysis showed zero blacklist hits, no known campaigns, and zero observed incidents. Despite the low-risk classification, the threat actor profile was tagged as "Suspicious Host." Geolocation data placed the server in Portland, OR, USA, but temporal analysis flagged a contradiction where the claimed geolocation contradicted RTT physics measurements (7950km distance versus 87ms average RTT).
Current guidance recommends monitoring the address due to signal contradictions present in the data. No immediate blocking action was required based on current threat levels.
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 | 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
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 | 16.15.32.0/20 |
| 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 | 33% | 2 | 5 |
| routing | 57% | 1 | 12 |
| services | 29% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 4 |
| geolocation | 43% | 2 | 5 |
| Overall | 35% | 10 | 33 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-13 15:54:22 UTC |
| Last Seen | 2026-11-07 04:12:46 UTC |
| Profile Built | 2026-11-07 04:19:56 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 30 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 16.15.37.37
Who owns the IP address 16.15.37.37?
16.15.37.37 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 16.15.37.37 located?
Geolocation data places 16.15.37.37 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 16.15.37.37 malicious or safe?
16.15.37.37 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 16.15.37.37?
Responsive ports observed on 16.15.37.37 include 80, 443, 8080. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.