IP Intelligence Briefing: 37.4.231.89
Date: 2026-06-11
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**1. Risk Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership: Owned by Kabel Deutschland RIPE (AS3209).
- Geolocation:
- Country: United States (US-NY, New York).
- Mobile Carrier: Vodafone (Germany, LTE/5G).
- Discrepancy Note: Geolocation suggests US, but mobile carrier data points to Germany. Verify data source accuracy.
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**2. Threat Indicators**
- No Direct Threats: No malicious indicators, blacklist entries, or known attacker campaigns.
- DNS Associations:
- Linked to `ip2504e759.dynamic.kabel-deutschland.de` (Kabel Deutschland subdomain).
- No SPF/DMArc records detected for email security.
- Network Role: Mobile IP (Vodafone LTE/5G), no CDN, cloud, or residential flags.
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**3. Observation History**
- Recent Activity (30 Days):
- DNS Listings: 1 out of 8 DNSBL lists (confidence: 85%).
- Operator Score: 0.26 (Basic risk rating).
- Stability: Route instability detected (BGP changes).
- Geolocation Consensus: Conflicting data (US vs. Germany).
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**4. Network Relationships**
- Key Associations:
- DNS: Repeated PTR records for `ip2504e759.dynamic.kabel-deutschland.de`.
- Subnet: Part of `KABEL-DEUTSCHLAND-CUSTOMER-SERVICES-26` (AS3209).
- BGP: Prefix `37.4.0.0/15` with no RPki validation.
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**5. Neighborhood Analysis**
- Subnet: `37.4.231.89/24` (1 IP in subnet).
- Neighbor Risk:
- 37.4.231.67: Risk score 25 (low).
- Abuse Density: 0% (clean subnet).
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**6. Recommendations**
- Monitor Geolocation Discrepancy: Investigate why the IP is geolocated in the US despite being tied to a German carrier.
- Verify DNSSEC & BGP: Ensure DNSSEC validation and BGP route stability for `37.4.0.0/15`.
- Check for Anomalies: Watch for unexpected DNS changes or new listings in DNSBLs.
- Network Segmentation: Segment mobile IPs from critical systems to mitigate potential lateral movement risks.
SOC Action: No immediate mitigation required, but continuous monitoring for behavioral changes is advised.
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*Generated via IPDebrief threat intelligence platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Kabel Deutschland RIPE |
| ASN | AS3209 |
| Network Name | KABEL-DEUTSCHLAND-CUSTOMER-SERVICES-26 |
| CIDR Block | 37.4.0.0/16 |
| RIR | RIPE |
| Country | DE |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | ip2504e759.dynamic.kabel-deutschland.de |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | ip2504e759.dynamic.kabel-deutschland.de |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 13% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-28 00:16:42 UTC |
| Last Seen | 2026-06-11 13:20:30 UTC |
| Profile Built | 2026-06-11 13:26:59 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 19 |
Full dossier details are available via our API.