155.133.246.40
The IP address 155.133.246.40 was classified as Low Risk with a risk score of 25. Ownership records linked the address to ASN 32590 (Milton Ngan / VALVE-L1) within the ARIN registry, with geolocation consensus placing the host in Madrid, Spain. DNS resolution confirmed the PTR record 155-133-246-40.valve.net, and email authentication records for SPF and DMARC were present. Network scans returned no open ports, identifying the service purpose as "Firewalled / No Services." Threat intelligence feeds showed no active campaigns or blacklist listings. The address resided in a clean neighborhood with zero threat siblings and no behavioral anomalies such as honeypot hits. Despite a "Suspicious Host" threat actor classification, no specific threat indicators were identified. The recommended action was to Monitor the address with Low severity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Milton Ngan |
| ASN | AS32590 |
| Network Name | VALVE-L1 |
| CIDR Block | 155.133.224.0/19 |
| RIR | ARIN |
| Country | US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 155-133-246-40.valve.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 155-133-246-40.valve.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Present |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 37% | 2 | 6 |
| routing | 38% | 4 | 5 |
| services | 19% | 2 | 2 |
| ownership | 35% | 3 | 5 |
| reputation | 27% | 1 | 5 |
| geolocation | 38% | 2 | 5 |
| Overall | 32% | 14 | 28 |
| Data Coherence | Consistent (100%) |
| Attribution | High (80%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-06 03:39:08 UTC |
| Last Seen | 2026-09-21 20:42:20 UTC |
| Profile Built | 2026-09-21 20:50:30 UTC |
| Data Freshness | Live |
| Signal Types | 31 |
| Total Observations | 46 |
Full dossier details are available via our API.