IP address 155.133.252.84 was observed within ASN 32590, owned by Milton Ngan under the netname VALVE-L1. Geolocation intelligence located the endpoint in Boston, Massachusetts, United States. The threat profile indicated a low-risk reputation with a score of 25. No blacklists were associated with the address, and no known campaigns or attacker indicators were present. Network scanning showed no open ports, and the system was classified as firewalled with no active services. DNS analysis confirmed no forward resolution or PTR records existed. The neighborhood was classified as mostly_clean with a risk of 0.0714. The recommendation was to monitor the address with low severity due to the lack of malicious activity and clean neighborhood context.
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 | 40% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-08-29 21:58:20 UTC |
| Last Seen | 2026-09-27 06:11:15 UTC |
| Profile Built | 2026-09-27 06:26:03 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 30 |
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