4.20.190.202
The IP address 4.20.190.202/32 was observed within the 4.0.0.0/9 block owned by Level 3 Parent, LLC (ASN 3356). A Low Risk reputation (Score 25) was assigned, and the address was classified as a Suspicious Host with low overall confidence (0.1652). No open ports or active services were detected on the host. DNS resolution confirmed a PTR hostname of OPUS-ONE.ear1.Tucson2.Level3.net with DMARC enabled but SPF absent. Geolocation data was flagged with a contradiction where RTT measurements (71ms) conflicted with physical distance calculations (7883km). Despite a clean neighborhood classification and zero abuse density, the recommendation was to monitor the asset due to present signal contradictions. Observations occurred between 2026-09-01 and 2026-09-22.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Level 3 Parent, LLC |
| ASN | AS3356 |
| Network Name | LVLT-ORG-4-8 |
| CIDR Block | 4.0.0.0/9 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | OPUS-ONE.ear1.Tucson2.Level3.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | OPUS-ONE.ear1.Tucson2.Level3.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 0/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ 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 | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-01 11:35:35 UTC |
| Last Seen | 2026-09-22 21:19:41 UTC |
| Profile Built | 2026-09-22 21:34:46 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 30 |
Full dossier details are available via our API.