155.133.255.163
Intelligence Briefing: 155.133.255.163
Risk Overview
The address is classified as Low Risk with a risk score of 25. No threat indicators, blacklist hits, or known attacker associations were found. The IP is not identified as a Tor exit node, proxy, or spam source.
Infrastructure and Location
Ownership was attributed to AS32590 (Milton Ngan / VALVE-L1) under ARIN. Geolocation data indicated Buenos Aires, Argentina. The IP belongs to the 155.133.224.0/19 block.
Technical Observations
Network scans revealed the address was firewalled with no open ports, HTTP services, or TLS certificates. DNS resolution yielded no PTR records
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 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 | Unknown — Insufficient routing data to classify |
🔌 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 | 33% | 2 | 5 |
| routing | 27% | 2 | 3 |
| services | 19% | 2 | 2 |
| ownership | 35% | 3 | 5 |
| reputation | 27% | 1 | 5 |
| geolocation | 27% | 2 | 4 |
| Overall | 28% | 12 | 24 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 07:12:57 UTC |
| Last Seen | 2026-09-19 21:15:53 UTC |
| Profile Built | 2026-09-23 10:00:05 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 33 |
Full dossier details are available via our API.