IP address 155.133.252.53/32 is associated with ASN 32590 (Milton Ngan, VALVE-L1) and geolocated to Stockholm, SE. Risk assessment yielded a score of 25 with a Low Risk classification. Network analysis confirmed no open ports and identified the service purpose as 'Firewalled / No Services.' The threat actor profile labeled the host as a 'Suspicious Host,' though likelihood for active campaigns was classified as 'none.' Control plane data indicated one DNSBL listing among eight total checks. The address was observed between September 3 and September 27, 2026. The address resides in a mostly clean neighborhood with an inherited risk score of 2. Based on the clean classification and low severity rating, the recommended action was to monitor the traffic.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ 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 |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown β Insufficient routing data to classify |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 33% | 2 | 5 |
| Overall | 23% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-09-03 04:17:51 UTC |
| Last Seen | 2026-09-27 01:48:08 UTC |
| Profile Built | 2026-09-27 01:55:56 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 36 |
Full dossier details are available via our API.