144.91.97.28
144.91.97.28 is an IPv4 address operated by CONTABO - Contabo GmbH, DE (AS51167), with approximate network location Lauterbourg, France. It belongs to datacenter or hosting infrastructure with reverse DNS name vmi3571723.contaboserver.net. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | MNT-CONTABO |
| ASN | AS51167 |
| Network Name | CONTABO |
| CIDR Block | 144.91.96.0/19 |
| RIR | ARIN |
| Network registration country | DE |
| Routing operator | CONTABO - Contabo GmbH, DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | vmi3571723.contaboserver.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | vmi3571723.contaboserver.net |
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.
Partial coverage: 1 conclusive IP DNS checks.
| caa | Not found at queried name net |
| spf | Not found at queried name vmi3571723.contaboserver.net |
| dmarc | Not found at queried name _dmarc.vmi3571723.contaboserver.net |
| dnssec | Unknown / lookup inconclusive 28.97.91.144.in-addr.arpa |
| fcrDns | Present / verified vmi3571723.contaboserver.net |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | AS51167 |
| Network Prefix | 144.91.96.0/23 |
| 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 | 10% | 2 | 4 |
| routing | 3% | 1 | 1 |
| services | 5% | 2 | 2 |
| ownership | 29% | 2 | 5 |
| reputation | 8% | 1 | 3 |
| geolocation | 7% | 2 | 3 |
| Overall | 10% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 04:40:09 UTC |
| Last Seen | 2026-11-14 05:02:10 UTC |
| Profile Built | 2026-11-14 05:07:39 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 34 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 144.91.97.28
Who owns the IP address 144.91.97.28?
144.91.97.28 is registered to MNT-CONTABO. The address falls within the 144.91.96.0/19 network block. Registration is held at ARIN.
Where is 144.91.97.28 located?
Geolocation data places 144.91.97.28 in Lauterbourg, Grand Est, France. The local time zone is Europe/Paris. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 144.91.97.28 malicious or safe?
144.91.97.28 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 144.91.97.28?
The reverse DNS (PTR) record for 144.91.97.28 is vmi3571723.contaboserver.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 144.91.97.28 a VPN, proxy, or data center address?
144.91.97.28 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.