18.237.175.161
18.237.175.161 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Portland, United States. Its reverse DNS name is ec2-18-237-175-161.us-west-2.compute.amazonaws.com. As of October 29, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-ZPDX |
| CIDR Block | 18.236.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-18-237-175-161.us-west-2.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-18-237-175-161.us-west-2.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | 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 |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.file.samsungcloud.comfile.samsungcloud.com |
| Valid From | 2026-09-07T00:00:00+00:00 |
| Valid Until | 2027-03-24T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 18.236.0.0/15 |
| 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 7 |
| Data Coherence | Mixed Signals (68%) — 2 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ TLS certificate claims KR but primary geo says US
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-26 06:18:17 UTC |
| Last Seen | 2026-10-26 06:18:17 UTC |
| Profile Built | 2026-10-29 06:31:52 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 18.237.175.161
Who owns the IP address 18.237.175.161?
18.237.175.161 is registered to Amazon.com, Inc.. The address falls within the 18.236.0.0/15 network block. Registration is held at ARIN.
Where is 18.237.175.161 located?
Geolocation data places 18.237.175.161 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 18.237.175.161 malicious or safe?
18.237.175.161 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 18.237.175.161?
The reverse DNS (PTR) record for 18.237.175.161 is ec2-18-237-175-161.us-west-2.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 18.237.175.161?
Responsive ports observed on 18.237.175.161 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.