IP Intelligence Briefing: 171.91.196.164/32
Date: 2026-06-02
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**Risk Profile**
- Overall Risk: Low (Risk Score: 25 / 100)
- Provider Score: 0 (No malicious provider activity detected)
- Authority Score: 0 (No authoritative malicious behavior)
- Stability: Unstable (BGP route stability score: 0.13)
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**Ownership & Geolocation**
- ASN: 4134 (IRT-CHINANET-CN)
- Organization: China Telecom (MCC: 460, MNC: 03)
- Geolocation:
- Country: China (CN)
- Latitude: 35.86, Longitude: 104.2 (inferred)
- Accuracy Radius: 2500 km
- Geo Validation: ICMP blocked (unable to validate RTT)
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**Network Role**
- Mobile Carrier: China Telecom (LTE/5G)
- Network Type: Mobile (not residential or infrastructure)
- BGP Prefix: 171.88.0.0/13
- Route Stability: Unstable (0 route changes in 30 days)
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**Threat Indicators**
- Malicious Activity: None detected (no indicators, blacklists, or campaigns)
- DNS: No PTR records or domain associations
- Services: No open ports, TLS, or HTTP services identified
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**Observation History**
- Latest Activity: 2026-06-02
- Geo Inference: Multi-signal inference (confidence: 52%)
- Validation Issues: ICMP blocked, leading to incomplete geo validation
- Threat Persistence: No persistent malicious activity
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**Network Relationships**
- Linked Networks: CHINANET-SC (repeated in relationships)
- Subnet: 171.91.196.164/24
- Neighbor Analysis:
- Abuse Density: 0 (clean subnet)
- Neighbors: 0 active IPs detected
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**Actionable Insights**
- No Immediate Threat: Low-risk IP with no malicious indicators.
- Monitor Mobile Network: Track China Telecom's LTE/5G activity for anomalies.
- Validate Geolocation: ICMP blocking may mask true location; consider alternative validation methods.
- Subnet Context: Subnet appears clean, but further investigation into CHINANET-SC is recommended.
Recommendation: Maintain current monitoring; no firewall rules or blocks required.
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*Generated via IPDebrief intelligence tools. Data as of 2026-06-02.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | IRT-CHINANET-CN |
| ASN | AS4134 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | APNIC |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 24% | 2 | 3 |
| reputation | 24% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 21% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:03:53 UTC |
| Last Seen | 2026-06-22 20:53:59 UTC |
| Profile Built | 2026-06-22 20:55:40 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 18 |
Full dossier details are available via our API.