75.45.135.121
75.45.135.121 is an IPv4 address operated by Amazon Data Services Greece (AS16509), geolocated to Frankfurt am Main, Germany. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-75-45-135-121.eu-central-1.compute.amazonaws.com. As of November 6, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Amazon Data Services Greece |
| ASN | AS16509 |
| Network Name | AMAZON-ATH |
| CIDR Block | 75.45.128.0/18 |
| RIR | ARIN |
| Country | Greece |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-75-45-135-121.eu-central-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-75-45-135-121.eu-central-1.compute.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 | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | lms-aws-eu-central-1-ath-1a.roblox.com |
| Valid From | 2026-09-21T00:00:00+00:00 |
| Valid Until | 2027-04-06T23:59:59+00:00 |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 75.45.128.0/18 |
| 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 0% | 0 | 0 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 18% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-24 19:11:23 UTC |
| Last Seen | 2026-11-06 09:37:47 UTC |
| Profile Built | 2026-11-06 09:43:36 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 75.45.135.121
Who owns the IP address 75.45.135.121?
75.45.135.121 is registered to Amazon Data Services Greece. The address falls within the 75.45.128.0/18 network block. Registration is held at ARIN.
Where is 75.45.135.121 located?
Geolocation data places 75.45.135.121 in Frankfurt am Main, Hesse, Germany. The local time zone is Europe/Berlin. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 75.45.135.121 malicious or safe?
75.45.135.121 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 75.45.135.121?
The reverse DNS (PTR) record for 75.45.135.121 is ec2-75-45-135-121.eu-central-1.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 75.45.135.121?
Responsive ports observed on 75.45.135.121 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 75.45.135.121 a VPN, proxy, or data center address?
75.45.135.121 is classified as cloud infrastructure based on network ownership and behavioural analysis.