121.227.31.13
IP Intelligence Briefing: 121.227.31.13
*Generated via IPDebrief tools (Profile, History, Relationships, Neighbors)*
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**1. Risk Profile**
- Overall Risk: Moderate (Risk Score: 50)
- Provider: China Telecom (ASN 4134)
- Geolocation: China (CN), mobile network (LTE/5G)
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns).
- Network Role: Mobile device (not cloud, CDN, or residential).
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**2. Observation History**
- Stability: Minimal fluctuations; risk score consistently low (0.13–0.30 confidence).
- Key Trends:
- No persistent malicious activity (threat persistence days: 0).
- ICMP blocked, limiting geographic validation.
- DNSSEC valid, no DNSBL listings.
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**3. Network Relationships**
- Subnet: 121.227.31.13/24
- Connected Entities:
- Part of CHINANET-JS (China Telecom infrastructure).
- No links to hostnames, domains, or certificates.
- Mobile Carrier: China Telecom (MCC 460, MNC 03).
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 0% (clean).
- Neighbor IPs:
- 121.227.31.82 (Risk Score: 25, Authority Score: 50).
- Total Siblings: 2 (active: 0, malicious: 0).
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**5. Recommendations**
- Monitoring: No immediate action required.
- Firewall: No rules needed due to low risk.
- Context: Mobile device on a legitimate ISP network; no signs of compromise.
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Conclusion: 121.227.31.13 is a clean, mobile-issued IP under China Telecom. No threat indicators detected. Monitor for anomalies but no urgent action required.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Chinanet Hostmaster |
| ASN | AS4134 |
| Network Name | — |
| CIDR Block | — |
| RIR | APNIC |
| Country | — |
| 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 | 32% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 30% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 23% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:35 UTC |
| Last Seen | 2026-06-26 18:10:32 UTC |
| Profile Built | 2026-06-22 11:58:57 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 18 |
Full dossier details are available via our API.