51.158.143.63 is an IPv4 address operated by Mickael Marchand (AS12876), geolocated to Haarlem, Netherlands. As of November 1, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
Intelligence analysis identified 51.158.143.63/32 as a low-risk infrastructure address hosted on the Scaleway network (ASN 12876) in Haarlem, NL. The resource operates within a cloud computing environment with no open ports or active services. Threat indicators returned no known campaigns or attacker signatures, and blacklist monitoring showed zero entries. However, the immediate /24 neighborhood exhibited a mixed classification with an abuse density of 0.33 and two threat siblings. Behavioral analysis recorded no honeypot strikes or enumeration activity. Analysts recommended monitoring the asset due to the neighborhood environment despite the low individual risk score.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Mickael Marchand |
| ASN | AS12876 |
| Network Name | SCALEWAY-AMS |
| CIDR Block | 51.158.128.0/17 |
| RIR | ARIN |
| Country | NL |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | AS12876 |
| Network Prefix | 51.158.128.0/17 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 43% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 25% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-15 13:22:43 UTC |
| Last Seen | 2026-11-01 06:38:26 UTC |
| Profile Built | 2026-11-01 06:43:24 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 51.158.143.63
Who owns the IP address 51.158.143.63?
51.158.143.63 is registered to Mickael Marchand. The address falls within the 51.158.128.0/17 network block. Registration is held at ARIN.
Where is 51.158.143.63 located?
Geolocation data places 51.158.143.63 in Haarlem, North Holland, Netherlands. The local time zone is Europe/Amsterdam. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 51.158.143.63 malicious or safe?
51.158.143.63 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.