81.17.101.227
IP Intelligence Briefing: 81.17.101.227
*Generated via IPDebrief Analysis*
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**1. Core Profile**
- Risk Assessment:
- Overall Risk: Low (Risk Score: 25)
- Provider Score: 0 (Contabo, CloudCompute)
- Authority Score: 0
- Stability: Unstable (Route Stability: False)
- Ownership:
- ASN: 51167
- Organization: Johannes Selg (netname: TT-20240404)
- Registrar: RIPE (abuse contact available)
- Geolocation:
- Country: Germany (DE) | City: Munich (latitude: 51.17, longitude: 10.45)
- Conflict: Conflicting geolocation data suggests France (Lauterbourg, Grand Est) in some records.
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**2. Threat Indicators**
- Malicious Activity:
- No active threats, malware, or known attacker associations.
- DNSBL Listings: 2 high-severity listings (8 total DNSBLs).
- Tor/VPN/Proxy: Not detected.
- Network Behavior:
- CloudCompute: Hosted by Contabo (firewalled, no public services).
- BGP: Subnet `81.17.100.0/22` shows route instability (0 route changes in 30 days).
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**3. Observation History**
- Recent Activity (Last 30 Days):
- Geolocation Shifts: Conflicting location data (Germany vs. France).
- Ownership Stability: No changes in ownership.
- Threat Persistence: No persistent malicious activity.
- DNSBL Exposure: 2 high-severity DNSBL listings detected.
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**4. Network Relationships**
- DNS Associations:
- Linked to `vmi3274362.contaboserver.net` (likely a virtual machine).
- Subnet Connections:
- Shared subnet `81.17.101.227/24` with no active neighbors (abuse density: 0).
- Provider: Contabo (cloud infrastructure, no CDN/VPN/Proxy detected).
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**5. Neighborhood Analysis**
- Subnet: `81.17.101.227/24`
- Neighbor Risk:
- Total Siblings: 1 | Active Siblings: 0 | Threat Siblings: 0
- Abuse Density: 0 (clean subnet).
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**6. Recommendations**
- Monitor Geolocation Discrepancies: Investigate conflicting location data for potential spoofing or misconfiguration.
- Review DNSBL Listings: Confirm legitimacy of 2 high-severity DNSBL entries (e.g., Spamhaus, Project Honey Pot).
- Check Cloud Instance: Ensure Contabo VM `vmi3274362` is not compromised or misused.
- Network Segmentation: Confirm isolation of `81.17.101.227/24` to prevent lateral movement.
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*End of Briefing*
*Generated by IPDebrief – Network Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Johannes Selg |
| ASN | AS51167 |
| Network Name | TT-20240404 |
| CIDR Block | 81.17.100.0/22 |
| RIR | RIPE |
| Country | DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | vmi3274362.contaboserver.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | vmi3378200.contaboserver.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 19% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 11% | 1 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 18% | 1 | 2 |
| geolocation | 34% | 2 | 3 |
| Overall | 19% | 9 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-25 00:41:55 UTC |
| Last Seen | 2026-06-29 01:07:10 UTC |
| Profile Built | 2026-06-29 07:11:16 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.