121.237.11.102
IP Intelligence Briefing: 121.237.11.102
Date: 2026-06-11
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**1. Core Profile**
- Risk Score: Low (25/100)
- Ownership: China Telecom (AS4134, CHINANET-JS)
- Geolocation: China (CN), inferred with 52% confidence (latitude 35.86, longitude 104.2, ±2500km accuracy).
- Network Role: Mobile LTE/5G, no public services, firewalled.
- Threat Indicators: No malicious activity detected (no campaigns, blacklists, or exploits).
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**2. Observation History**
- Recent Activity:
- DNSBL Listings: 1/8 total lists (high-severity flagged).
- Geolocation: Consistently inferred as China, with no recent deviations.
- Operator Score: Minimal (0.13), indicating stable, non-abusive network behavior.
- Trends: No persistent malicious activity; threat observation count remains zero.
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**3. Network Relationships**
- Shared Network: CHINANET-JS (China Telecom).
- Neighbors (121.237.11.0/24):
- 3 IPs total; 2 low-risk, 1 moderate-risk (25/100).
- Subnet abuse density: 0% (no malicious activity detected in siblings).
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**4. Key Findings**
- Legitimate Infrastructure: Part of China Telecom’s mobile network, no evidence of hosting or malicious operations.
- DNSBL Flag: Minor listing in 1/8 DNSBLs (high-severity), but no confirmed malicious activity.
- Monitoring Recommendations:
- Track DNSBL status for potential false positives or evolving risks.
- Monitor geolocation consistency, though no anomalies detected.
- No immediate action required due to low risk profile.
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Conclusion: 121.237.11.102 is a low-risk IP associated with China Telecom’s mobile network. No active threats detected, but minor DNSBL listings warrant cautious monitoring.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Chinanet Hostmaster |
| ASN | AS4134 |
| Network Name | CHINANET-JS |
| CIDR Block | 121.224.0.0/12 |
| 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 | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 13% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-26 12:50:45 UTC |
| Last Seen | 2026-06-11 04:40:21 UTC |
| Profile Built | 2026-06-11 04:48:30 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 14 |
Full dossier details are available via our API.