212.30.37.4
IP Intelligence Briefing: 212.30.37.4
Date: 2026-06-06
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**1. Risk Profile**
- Overall Risk Score: 25 (Low Risk)
- Provider Score: 0
- Authority Score: 0
- Stability Score: 0
- Threat Indicators: None detected (no malware, spam, or malicious campaigns linked).
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**2. Ownership & Geolocation**
- Registrant: Assaf Murr (ASN 137409, GSL Networks)
- Geolocation:
- Primary: Netherlands (NL), London (latitude 52.13, longitude 5.29).
- Secondary: Rotterdam, South Holland (from historical data).
- Subnet: 212.30.37.0/24 (abuse density: 0.4, classified as "mixed").
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**3. Network Behavior**
- Services: No open ports, no TLS/HTTP services, no DNS records linked.
- Network Role: Firewalled / No Services.
- BGP: Prefix 212.30.37.0/24, ASN 137409 (GSL Networks).
- Subnet Neighbors:
- High-Risk Siblings: 6 IPs with risk scores ≥25.
- Low-Risk Siblings: 9 IPs with risk scores = 0.
- Total Siblings: 15 (4 active, 6 flagged for abuse).
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**4. Historical Observations**
- Recent Activity (30 days):
- Geolocation: Consistent with Netherlands (NL) but with conflicting city data (London vs. Rotterdam).
- Network Changes: No significant route stability issues.
- Threat Signals: No persistent malicious activity or campaign correlations.
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**5. Relationships & Context**
- Linked Entities:
- Network: GSL Networks (ASN 137409).
- No Hostnames/DNS: No PTR records or domain associations.
- No Certificates: No TLS certificates or HTTP banners detected.
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**6. Recommendations**
- Monitor Subnet: Track high-risk siblings (e.g., 212.30.37.14, 212.30.37.54) for anomalies.
- Verify Geolocation Discrepancies: Investigate conflicting location data (London vs. Rotterdam).
- Maintain Baseline: No immediate action required for 212.30.37.4, but continue monitoring for unexpected behavior.
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Source: IPDebrief Threat Intelligence Platform | © 2026 Jason Alberino.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Assaf Murr |
| ASN | AS137409 |
| Network Name | — |
| CIDR Block | — |
| RIR | RIPE |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | 19% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 23% | 2 | 2 |
| Overall | 20% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-12 21:54:57 UTC |
| Last Seen | 2026-06-06 15:28:04 UTC |
| Profile Built | 2026-06-06 15:57:13 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.