89.245.21.128
🏢 Ownership & Registration
| Organization | 1&1 Versatel GmbH |
| ASN | AS8881 |
| Network Name | VT-DYNAMICPOOL |
| CIDR Block | 89.245.0.0/18 |
| RIR | RIPE |
| Country | DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | i59F51580.versanet.de |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | i59F51580.versanet.de |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ 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 | |||
| 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 | AS8881 |
| Network Prefix | 89.245.16.0/20 |
| 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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-14 21:59:16 UTC |
| Last Seen | 2026-10-05 05:01:45 UTC |
| Profile Built | 2026-10-05 05:02:03 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 89.245.21.128
Who owns the IP address 89.245.21.128?
89.245.21.128 is registered to 1&1 Versatel GmbH. The address falls within the 89.245.0.0/18 network block. Registration is held at RIPE.
Where is 89.245.21.128 located?
Geolocation data places 89.245.21.128 in Schleswig, Schleswig-Holstein, Germany. The local time zone is Europe/Berlin. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 89.245.21.128 malicious or safe?
89.245.21.128 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 89.245.21.128?
The reverse DNS (PTR) record for 89.245.21.128 is i59F51580.versanet.de. This hostname is forward-confirmed, meaning it resolves back to the same address.