# IP Intelligence Briefing: 120.52.19.209/32
Classification: LOW RISK | Report Date: Current | Analyst: Automated Intelligence System
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## Executive Summary
IP address 120.52.19.209 is classified as LOW RISK (Risk Score: 25) with no active threat indicators. The address is associated with a Chinese academic/telecom organization (CU-CDC, ASN 133119) and presents as a firewalled infrastructure endpoint with no open services. No known malicious campaigns or attacker activity detected.
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## Ownership and Geolocation
| Attribute | Value |
|---|---|
| **Organization** | Xin Xing (CU-CDC) |
| **ASN** | 133119 |
| **Country** | China (CN) |
| **CIDR Block** | 120.52.0.0/16 |
| **RIR** | APNIC |
| **Abuse Contact** | Available via RDAP |
Geolocation data indicates China with geo-plausibility validation active. Single geo-source consensus achieved.
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## Network Services and Exposure
- Open Ports: None detected
- TLS Certificate: Not present
- HTTP Services: No response
- Network Role: Firewalled / No Services
- Classification Flags: Not cloud, CDN, VPN, proxy, Tor, hosting, mobile, or residential
The IP is not actively hosting services, which is consistent with administrative or backbone infrastructure.
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## Threat Intelligence
| Indicator | Status |
|---|---|
| **Abuse Confidence** | Not available |
| **Known Attacker** | No |
| **Spam Source** | No |
| **Blacklist Count** | 0 |
| **DNSBL Listed** | 1 of 8 total lists |
| **Active Campaigns** | None |
| **Threat Feeds** | None |
| **Honeypot Hits** | 0 |
| **WAF Violations** | 0 |
No evidence of active malicious behavior or campaign participation.
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## Behavioral Analysis
| Metric | Value |
|---|---|
| **Persistence Days** | 0 |
| **Threat Observation Count** | 0 |
| **Persistently Malicious** | No |
| **Is Active Attacker** | No |
| **Auto-Banned** | No |
| **Total Incidents** | 0 |
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## Neighborhood Assessment
Subnet: 120.52.19.209/24 | Total Siblings: 5
| Neighbor IP | Risk Score | Authority Score |
|---|---|---|
| 120.52.19.71 | 0 | 50 |
| 120.52.19.91 | 25 | 50 |
| 120.52.19.102 | 0 | 50 |
| 120.52.19.149 | N/A | N/A |
| 120.52.19.182 | 0 | 50 |
Abuse Density: 0.00 | Risk Distribution: 4 Low, 0 Medium, 0 High
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## Observation History
Total Observations: 17 | Threat Persistence: None
Recent signals include geolocation validation, subnet classification, and network role detection. No escalation in threat posture observed over the observation window.
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## Security Recommendations
Immediate Action Required: None
Monitoring Level: Standard (Low Risk)
No specific firewall rules or blocking recommendations generated. The IP presents minimal threat with no actionable indicators for immediate remediation.
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## Intelligence Notes
1. Low Service Footprint: No open ports or active services detected, consistent with infrastructure/administrative use.
2. Academic/Telecom Origin: ASN 133119 (CU-CDC) indicates a Chinese university/telecom entity.
3. Single DNSBL Entry: One DNSBL listing detected among eight total lists; context suggests this may be a false positive or policy-based listing.
4. Route Stability: Route changes detected (0 in last 30 days), indicating BGP prefix stability.
Assessment: This IP represents a legitimate, low-risk endpoint from a Chinese academic/telecom organization. No immediate threat action required. Continue standard monitoring practices.
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*Data sourced from IPDebrief Intelligence Platform. All indicators based on automated analysis and should be correlated with additional context before operational decisions.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Xin Xing |
| ASN | AS133119 |
| Network Name | CU-CDC |
| CIDR Block | 120.52.0.0/16 |
| RIR | APNIC |
| Country | CN |
| 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 | 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS133119 |
| Network Prefix | 120.52.18.0/23 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 14% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 14:29:45 UTC |
| Last Seen | 2026-09-02 12:01:11 UTC |
| Profile Built | 2026-09-02 12:10:09 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 120.52.19.209
Who owns the IP address 120.52.19.209?
120.52.19.209 is registered to Xin Xing. The address falls within the 120.52.0.0/16 network block. Registration is held at APNIC.
Where is 120.52.19.209 located?
Geolocation data places 120.52.19.209 in China. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 120.52.19.209 malicious or safe?
120.52.19.209 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.