139.185.55.154
IP Intelligence Briefing: 139.185.55.154
Date: 2026-06-12
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**1. Basic Profile**
- Risk Score: Moderate (50/100)
- Provider: Oracle Corporation (ASN 31898)
- Geolocation: United States (US), region flagged as "Dubai" (possibly placeholder/incorrect).
- Network Role: Oracle Cloud Compute instance (Hosting/Cloud).
- Services:
- HTTPS (port 443, 8443), SSH (port 22), and HTTP-alt (port 8443).
- TLS certificate: Issued to `shop.dast-chin.com` (Let’s Encrypt), valid for HTTPS.
- Server banner: `SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.15`.
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**2. Threat Indicators**
- No malicious activity detected:
- No malware indicators, spam, or known attacker associations.
- No DNS-based threats (no DNSBL listings).
- TLS Security: Valid certificate with modern cipher suite (`TLS_AES_128_GCM_SHA256`).
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**3. Observation History**
- Activity Trends (Last 30 Days):
- Stable network presence with no significant changes in risk scores.
- Last TLS scan: June 1, 2026 (valid certificate, no anomalies).
- Geo-validation inconsistencies: "Dubai" region reported despite US country code.
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**4. Network Relationships**
- Subnet: `139.185.55.154/24`
- Neighbors:
- No risky siblings detected in the subnet (abuse density: 0%).
- All neighbors classified as "clean."
- Parent Network: Part of Oracle Corporation’s `ORACLE-CORP` ASN 31898.
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**5. Actionable Insights**
- No immediate mitigation required:
- IP is associated with legitimate Oracle Cloud infrastructure.
- No evidence of exploitation or malicious campaigns.
- Recommendations:
- Monitor SSH access controls (port 22) for unauthorized access.
- Verify TLS certificate validity and renewals for `shop.dast-chin.com`.
- Investigate geo-validation discrepancies for potential misconfiguration.
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Conclusion:
139.185.55.154 is a legitimate Oracle Cloud server with standard services. No active threats detected. SOC teams should focus on routine security checks for cloud instances and ensure compliance with internal access controls.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Oracle Corporation |
| ASN | AS31898 |
| Network Name | ORACLE-CORP |
| CIDR Block | 139.185.0.0/16 |
| 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 | 40% (Fair) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| 22 | ssh | tcp | |
| 8443 | https-alt | tcp | — |
| Closed Ports | 25, 80, 3389, 8080 (3 open / 7 scanned) | ||
| Server | gws |
| HTTP Title | — |
| SSH Version | SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.15 |
🔐 TLS Certificate
| SANs | shop.dast-chin.com |
| Valid From | 2026-05-06T01:20:37+00:00 |
| Valid Until | 2026-08-04T01:20:36+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha384ECDSA |
| Validity Period | 89 days |
| Serial Number | 065AC68A9AD8A0A9C8D59A9AAFD195563174 |
| Thumbprint | 077A0E858D6A5B057BC85FD4DA6191F2C20D01C1 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 30% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 31% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 15% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 22% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-06-01 05:37:55 UTC |
| Last Seen | 2026-06-26 18:10:36 UTC |
| Profile Built | 2026-06-25 00:19:36 UTC |
| Data Freshness | Fresh |
| Signal Types | 20 |
| Total Observations | 20 |
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