18.234.139.251
18.234.139.251 is an IPv4 address operated by Amazon Web Services (AS14618), with approximate network location Ashburn, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-18-234-139-251.compute-1.amazonaws.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Amazon Technologies Inc. |
| ASN | AS14618 |
| Network Name | AT-88-Z |
| CIDR Block | 18.32.0.0/11 |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-18-234-139-251.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-18-234-139-251.compute-1.amazonaws.com |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS14618 |
| Network Prefix | 18.232.0.0/14 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
| 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 | 24% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 31% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 20% | 2 | 3 |
| Overall | 19% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-07-03 10:48:55 UTC |
| Last Seen | 2026-10-06 07:16:35 UTC |
| Profile Built | 2026-11-12 04:00:11 UTC |
| Data Freshness | Stale |
| Signal Types | 24 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 18.234.139.251
Who owns the IP address 18.234.139.251?
18.234.139.251 is registered to Amazon Technologies Inc.. The address falls within the 18.32.0.0/11 network block. Registration is held at ARIN.
Where is 18.234.139.251 located?
Geolocation data places 18.234.139.251 in Ashburn, VA, United States. The local time zone is America/New_York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 18.234.139.251 malicious or safe?
18.234.139.251 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 is the hostname for 18.234.139.251?
The reverse DNS (PTR) record for 18.234.139.251 is ec2-18-234-139-251.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 18.234.139.251 a VPN, proxy, or data center address?
18.234.139.251 is classified as cloud infrastructure based on network ownership and behavioural analysis.