161.33.146.127
# IP Intelligence Briefing: 161.33.146.127
Classification: Legitimate Oracle Cloud Infrastructure | Risk Level: Low | Status: No Action Required
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## Executive Summary
IP 161.33.146.127 belongs to Oracle Corporation's cloud infrastructure (ASN 31898) and presents no observable threat indicators. The address is classified as clean with a risk score of 0. No security actions or firewall rules are recommended based on current intelligence.
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## Technical Profile
| Attribute | Value |
|---|---|
| Organization | Oracle Corporation |
| Network | ORACLE-4 (161.33.0.0/16) |
| ASN | 31898 |
| Location | Inzai, Chiba, Japan |
| Infrastructure Type | CloudCompute |
| Risk Score | 0 (Low Risk) |
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## Threat Indicators
- Blacklist Status: Not listed (0 counts)
- Campaign Activity: None detected
- Known Attacker: False
- Tor Exit Node: False
- Spam Source: False
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## Network Observations
Subnet Analysis
The /24 subnet (161.33.146.0/24) demonstrates a clean security profile:
- Abuse Density: 0
- Threat Siblings: 0
- Total Active Siblings: 1
- Classification: Clean
Services
- Port 3389/TCP: RDP service detected (expected for Oracle Cloud infrastructure)
- No additional open ports or suspicious services observed
Historical Stability
19 observations recorded over the observation period. The IP has maintained consistent geolocation data (Japan) with no evidence of malicious behavior or ownership changes. Threat persistence days: 0.
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## Intelligence Assessment
This IP address operates as legitimate Oracle Cloud compute infrastructure. The presence of RDP on port 3389 is consistent with Oracle's cloud service offerings. No threat intelligence correlates with this address, and the associated subnet shows no abuse patterns.
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## Recommendations
No blocking or mitigation actions required. This IP represents trusted cloud infrastructure and should be treated as a benign source. If traffic from this IP is being blocked or flagged, review local policy configurations to ensure Oracle Cloud services are permitted.
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*Report generated from IPDebrief intelligence data. Data accuracy: High. Last updated: Current observation window.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Oracle Corporation |
| ASN | AS31898 |
| Network Name | ORACLE-4 |
| CIDR Block | 161.33.0.0/16 |
| RIR | ARIN |
| Country | United States |
| 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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Single-Service Host |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 3389 | rdp | tcp | — |
| Closed Ports | 22, 25, 80, 443, 8080, 8443 (1 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 | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 27% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-31 05:27:54 UTC |
| Last Seen | 2026-08-13 01:19:40 UTC |
| Profile Built | 2026-08-13 01:34:09 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 20 |
Full dossier details are available via our API.