IP address 52.45.98.59 was assessed as High Risk with a reputation score of 70. The address resolved to an Amazon Web Services node in Ashburn, Virginia (AS14618) under the hostname ec2-52-45-98-59.compute-1.amazonaws.com.
Threat analysis classified the IP as campaign infrastructure with a high likelihood rating, correlating with 37 associated IPs and certificates matching *.duolingo.com. While the neighborhood classification remained clean, control plane checks indicated a single DNSBL listing. Service enumeration revealed open ports 80 and 443 with an awselb/2.0 banner and a TLS certificate for *.duolingo.com.
The assessment concluded with a critical severity recommendation to block the address. Suggested mitigation included firewall rules for iptables, nginx, and pf environments.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Technologies Inc. |
| ASN | AS14618 |
| Network Name | AT-88-Z |
| CIDR Block | 52.0.0.0/10 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-52-45-98-59.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-52-45-98-59.compute-1.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.duolingo.com |
| Valid From | 2026-10-26T00:00:00+00:00 |
| Valid Until | 2027-05-11T23:59:59+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
🛡️ Public Network Snapshot
| Origin ASN | AS14618 |
| Network Prefix | 52.44.0.0/15 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 40% | 2 | 3 |
| routing | 20% | 1 | 1 |
| services | 40% | 2 | 3 |
| ownership | 40% | 2 | 3 |
| reputation | 20% | 1 | 2 |
| geolocation | 40% | 2 | 3 |
| Overall | 33% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-25 14:31:21 UTC |
| Last Seen | 2026-11-02 11:00:59 UTC |
| Profile Built | 2026-11-02 11:06:13 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 52.45.98.59
Who owns the IP address 52.45.98.59?
52.45.98.59 is registered to Amazon Technologies Inc.. The address falls within the 52.0.0.0/10 network block. Registration is held at ARIN.
Where is 52.45.98.59 located?
Geolocation data places 52.45.98.59 in Ashburn, VA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 52.45.98.59 malicious or safe?
52.45.98.59 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 52.45.98.59?
The reverse DNS (PTR) record for 52.45.98.59 is ec2-52-45-98-59.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 52.45.98.59?
Responsive ports observed on 52.45.98.59 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.