91.83.19.93
IP Intelligence Briefing: 91.83.19.93
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: Moderate (65/100)
- Ownership: Registered to HDSNET-MNT (ASN 20845), Hungary.
- Geolocation: Confirmed as Newark, NJ, US (IPDebrief), but inferred as Hungary via DNS signals. Geolocation inconsistency noted.
- Threat Indicators: No active malware, spam, or known attacker activity.
- Network Role: Firewalled / No Services (no open ports, TLS/HTTP services inactive).
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**2. Threat Observations**
- DNSBL Listings:
- Listed in 8 DNSBLs (2 high-severity, 6 medium).
- Lists include: zen.spamhaus.org, b.barracuda.com, bl.spamcop.net, and others.
- Geolocation Discrepancy:
- IP resolves to digikabel.hu (Hungary) but shows U.S. geolocation signals.
- Inferred Hungarian location (latitude 47.16, longitude 19.5) with 52% confidence.
- DNSSEC Valid: Yes, but no CAA records.
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**3. Network Relationships**
- DNS Associations:
- Linked to 91-83-19-93.pool.digikabel.hu (hostname).
- Network Subnet: Part of HU-HDSNET-20060727 (Hungary).
- No Neighboring IPs: Subnet analysis shows no active siblings or abuse density.
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**4. Behavioral & Historical Data**
- Recent Activity:
- 17 observations since 2026-06-04, with no persistent malicious patterns.
- One high-severity DNSBL listing observed (value truncated).
- Stability: Route stability unknown; BGP prefix 91.83.0.0/19 shows no recent changes.
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**5. Recommended Actions**
1. Investigate DNSBL Listings: Verify legitimacy of DNSBL entries (e.g., spamhaus, spamcop).
2. Geolocation Discrepancy: Cross-check IP with digikabel.hu for accurate location context.
3. Monitor Subnet: No immediate threats in subnet, but isolate traffic to the IP if suspicious.
4. Check DNS Configuration: Ensure SPF/DKIM alignment for digikabel.hu to mitigate spoofing risks.
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Summary: Moderate-risk IP with conflicting geolocation data and DNSBL associations. No active threats detected, but warrants closer scrutiny due to DNS security gaps and location anomalies.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | HDSNET-MNT |
| ASN | AS20845 |
| Network Name | HU-HDSNET-20060727 |
| CIDR Block | 91.83.0.0/19 |
| RIR | RIPE |
| Country | HU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 91-83-19-93.pool.digikabel.hu |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 91-83-19-93.pool.digikabel.hu |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | |||
| 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 30% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 14% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-25 12:43:18 UTC |
| Last Seen | 2026-06-10 23:11:01 UTC |
| Profile Built | 2026-06-10 23:16:13 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.