144.91.81.19
IP Intelligence Briefing: 144.91.81.19
Assessment: Low Risk – Clean Infrastructure
Summary
The IP address 144.91.81.19 is associated with Contabo (ASN 51167) infrastructure in Germany (DE). The IP resolves to a VPS instance (vmi3094777.contaboserver.net) with no active services detected. Risk scoring indicates a neutral threat profile with no malicious indicators.
Key Indicators
- Risk Score: 0/100
- Reputation: Low Risk
- Organization: Johannes Selg / CONTABO
- Network Block: 144.91.64.0/19
- DNS: vmi3094777.contaboserver.net (forward confirmed)
- Services: None detected (firewalled/no services)
- Abuse Confidence: Not applicable
Network Context
The IP belongs to a mostly clean subnet (144.91.81.0/24) with zero abuse density and no detected threat siblings. The neighborhood analysis shows no high-risk neighbors. Control plane data indicates route stability and valid DNSSEC.
Historical Observations
22 observation signals recorded between 2026-08-06 and 2026-08-13. Observations consistently show benign characteristics across threat, routing, services, ownership, and geolocation dimensions. No escalation in risk patterns detected over the observation period.
Relationships
- DNS associations: vmi3094777.contaboserver.net (recurring)
- Network associations: CONTABO (multiple)
- No campaign correlations or certificate matches
Recommended Actions
No blocking or monitoring rules required. Standard logging and passive traffic observation recommended. No firewall rules generated due to low risk profile.
Classification
Infrastructure Type: Cloud VPS
Classification Flags: Clean / No Services / No Threats
Priority: Low
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Johannes Selg |
| ASN | AS51167 |
| Network Name | CONTABO |
| CIDR Block | 144.91.64.0/19 |
| RIR | ARIN |
| Country | DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | vmi3094777.contaboserver.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | vmi3094777.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| 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 | 35% | 2 | 4 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 29% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-03 23:38:28 UTC |
| Last Seen | 2026-08-13 05:33:11 UTC |
| Profile Built | 2026-08-13 05:50:13 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 23 |
Full dossier details are available via our API.