18.220.52.228
Intelligence Briefing: 18.220.52.228
Ownership and Infrastructure
IP address 18.220.52.228 was attributed to Amazon Technologies Inc. (ASN 16509) within the 18.32.0.0/11 CIDR block. The infrastructure was identified as an EC2 web server hosted in us-east-2. Forward DNS resolved correctly to `ec2-18-220-52-228.us-east-2.compute.amazonaws.com`.
Geolocation and Validation
Geolocation data placed the server in Columbus, Ohio, United States; however, conflicting data indicated South Korea based on TLS certificate issuance. The TLS certificate was issued by Samsung Electronics OCF Server SubCA for the domain `*.samsungiotcloud.com`.
Security Posture
Network analysis showed port 443 (HTTPS) open via TCP. DNS hygiene scoring was good, with valid SPF and DMARC records present. The control plane indicated a single DNSBL listing against a total of eight lists. The neighborhood classification remained clean with zero threat siblings and low abuse density.
Threat Assessment
The profile returned a risk score of 25, categorized as Low Risk. No threat indicators, known campaigns, or attack history were recorded. Despite the low risk status, signal contradictions existed regarding geographic validation and data coherence. The overall confidence label was Very Low due to data discrepancies.
Recommendation
Actionable guidance recommended monitoring the resource given the presence of signal contradictions, although the severity was assessed as low. No firewall rules were required at this time.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Technologies Inc. |
| ASN | AS16509 |
| Network Name | AT-88-Z |
| CIDR Block | 18.32.0.0/11 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-18-220-52-228.us-east-2.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-18-220-52-228.us-east-2.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 1/2 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 |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.samsungiotcloud.com |
| Valid From | 2020-03-18T07:40:32+00:00 |
| Valid Until | 2035-04-09T07:40:32+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256ECDSA |
| Validity Period | 5500 days |
| Serial Number | 33DEF0C83047D74E |
| Thumbprint | 30AA82E4144123E889C449CD1F47CDC2F811A97D |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 33% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| 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 | 2026-08-29 22:39:05 UTC |
| Last Seen | 2026-09-16 20:31:21 UTC |
| Profile Built | 2026-09-16 20:45:30 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 34 |
Full dossier details are available via our API.