87.197.92.138
🏢 Ownership & Registration
| Organization | Jan Katuska |
| ASN | AS6855 |
| Network Name | SK-TELECOM-20050629 |
| CIDR Block | 87.197.0.0/16 |
| RIR | RIPE |
| Country | SK |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | edunet-static-138.87-197-92.telecom.sk |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | edunet-static-138.87-197-92.telecom.sk |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS6855 |
| Network Prefix | 87.197.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 16% | 4 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-09 13:33:05 UTC |
| Last Seen | 2026-08-30 07:56:18 UTC |
| Profile Built | 2026-08-29 06:05:35 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 87.197.92.138
Who owns the IP address 87.197.92.138?
87.197.92.138 is registered to Jan Katuska. The address falls within the 87.197.0.0/16 network block. Registration is held at RIPE.
Where is 87.197.92.138 located?
Geolocation data places 87.197.92.138 in Martin, Žilina Region, Slovakia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 87.197.92.138 malicious or safe?
87.197.92.138 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 87.197.92.138?
The reverse DNS (PTR) record for 87.197.92.138 is edunet-static-138.87-197-92.telecom.sk. This hostname is forward-confirmed, meaning it resolves back to the same address.