87.197.89.87
87.197.89.87 is an IPv4 address announced by AS6855, with approximate network location New York, United States. Its reverse DNS name is edunet-static-87.87-197-89.telecom.sk. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Jan Katuska |
| ASN | AS6855 |
| Network Name | SK-TELECOM-20050629 |
| CIDR Block | 87.197.0.0/16 |
| RIR | RIPE |
| Network registration country | SK |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | edunet-static-87.87-197-89.telecom.sk |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | edunet-static-87.87-197-89.telecom.sk |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS6855 |
| Network Prefix | 87.197.0.0/16 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 19% | 1 | 2 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-10-06 21:26:06 UTC |
| Last Seen | 2026-10-29 00:00:12 UTC |
| Profile Built | 2026-11-12 14:53:58 UTC |
| Data Freshness | Aging |
| Signal Types | 23 |
| Total Observations | 28 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 87.197.89.87
Who owns the IP address 87.197.89.87?
87.197.89.87 is registered to Jan Katuska. The address falls within the 87.197.0.0/16 network block. Registration is held at RIPE.
Where is 87.197.89.87 located?
Geolocation data places 87.197.89.87 in New York, US-NY, United States. The local time zone is America/New_York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 87.197.89.87 malicious or safe?
87.197.89.87 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 87.197.89.87?
The reverse DNS (PTR) record for 87.197.89.87 is edunet-static-87.87-197-89.telecom.sk. This hostname is forward-confirmed, meaning it resolves back to the same address.