18.159.37.8
IP Intelligence Briefing: 18.159.37.8
Date: 2026-06-11
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership: Amazon Web Services (AS16509)
- Geolocation: Frankfurt, Germany (HE region)
- Network: Subnet `18.156.0.0/14` (AMAZO-ZFRA)
- Threat Indicators:
- Listed in 8 DNSBLs (abuse confidence score: 0).
- AlienVault OTX reports 2 "pulses" (potential threats).
- No known campaigns or spam sources.
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**2. Observation History**
- Recent Activity (2026-06-01 to 2026-06-11):
- Consistent geolocation in Frankfurt, Germany.
- Threat score increased slightly (from 0 to 50) over 10 days.
- No persistent malicious behavior detected.
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**3. Relationships**
- DNS Associations:
- `ec2-18-159-37-8.eu-central-1.compute.amazonaws.com` (AWS EC2 instance).
- Network Links:
- Same subnet (`18.159.37.8/24`) with low abuse density (1/100).
- No known malicious peers in the subnet.
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**4. Neighborhood Analysis**
- Subnet: `18.159.37.8/24`
- Abuse Density: 1/100 (low).
- Active Siblings: 0.
- Threat Siblings: 1 (neutral).
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**5. Recommendations**
- Monitor: Track DNSBL listings and AWS instance activity for anomalies.
- Allowance: Legitimate AWS infrastructure; no immediate blocking required.
- Investigate: Verify if the AlienVault OTX "pulses" correlate with known campaigns.
Conclusion: This IP is part of AWS infrastructure with moderate risk. While it shows some threat indicators, the low abuse density and legitimate ownership suggest it is likely benign. Continue monitoring for unusual behavior.
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*Generated by IPDebrief Threat Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | A100 ROW GmbH |
| ASN | AS16509 |
| Network Name | AMAZO-ZFRA |
| CIDR Block | 18.156.0.0/14 |
| RIR | ARIN |
| Country | Germany |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-18-159-37-8.eu-central-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-18-159-37-8.eu-central-1.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 1/2 domains |
| DMARC | 1/2 domains |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 22 | ssh | tcp | |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | Apache |
| HTTP Title | — |
| SSH Version | SSH-2.0-OpenSSH_8.0 |
🔐 TLS Certificate
| SANs | 18-159-37-8.cprapid.com |
| Valid From | 2026-05-01T16:41:38+00:00 |
| Valid Until | 2027-05-01T16:41:38+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 365 days |
| Serial Number | 00EE9E718E |
| Thumbprint | 3761242F99949B3C4C95013A48CCBE4E87567443 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 34% | 2 | 3 |
| Overall | 26% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-26 12:51:15 UTC |
| Last Seen | 2026-06-29 03:02:18 UTC |
| Profile Built | 2026-06-29 09:04:36 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.