89.164.51.159 is an IPv4 address announced by AS13046, with approximate network location Zagreb, Croatia. Its reverse DNS name is 51-159.dsl.iskon.hr. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Iskon Internet |
| ASN | AS13046 |
| Network Name | ISKON-DSL-01 |
| CIDR Block | 89.164.0.0/18 |
| RIR | RIPE |
| Network registration country | HR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 51-159.dsl.iskon.hr |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 51-159.dsl.iskon.hr |
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 |
No specific classification
🔍 12 signal types · 12 observations collected
This report is generated from 12+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 89.164.51.159
Who owns the IP address 89.164.51.159?
89.164.51.159 is registered to Iskon Internet. The address falls within the 89.164.0.0/18 network block. Registration is held at RIPE.
Where is 89.164.51.159 located?
Geolocation data places 89.164.51.159 in Zagreb, City of Zagreb, Croatia. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 89.164.51.159 malicious or safe?
89.164.51.159 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 89.164.51.159?
The reverse DNS (PTR) record for 89.164.51.159 is 51-159.dsl.iskon.hr. This hostname is forward-confirmed, meaning it resolves back to the same address.