178.172.87.9
178.172.87.9 is an IPv4 address operated by ARNES NOC (AS2107), geolocated to Slovenia. Its reverse DNS name is dc1f061a-register.bb.arnes.si. As of November 4, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | ARNES NOC |
| ASN | AS2107 |
| Network Name | ARNES-NET |
| CIDR Block | 178.172.64.0/18 |
| RIR | RIPE |
| Country | SI |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | dc1f061a-register.bb.arnes.si |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | dc1f061a-register.bb.arnes.si |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS2107 |
| Network Prefix | 178.172.0.0/17 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 28% | 8 | 9 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-15 15:11:01 UTC |
| Last Seen | 2026-11-04 22:13:29 UTC |
| Profile Built | 2026-11-04 22:33:51 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 178.172.87.9
Who owns the IP address 178.172.87.9?
178.172.87.9 is registered to ARNES NOC. The address falls within the 178.172.64.0/18 network block. Registration is held at RIPE.
Where is 178.172.87.9 located?
Geolocation data places 178.172.87.9 in Slovenia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 178.172.87.9 malicious or safe?
178.172.87.9 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 178.172.87.9?
The reverse DNS (PTR) record for 178.172.87.9 is dc1f061a-register.bb.arnes.si. This hostname is forward-confirmed, meaning it resolves back to the same address.