1.86.233.5
IP Intelligence Briefing: 1.86.233.5
Date: 2026-06-12
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership:
- ASN: 4134 (CHINANET-SN)
- Organization: Xianghong Cao
- Country: China (CN)
- Region: SN (Shaanxi Province)
- City: Beilin
- Network Role: Mobile (China Telecom LTE/5G)
- Threat Indicators:
- No direct malicious activity detected.
- Listed in 2 DNSBLs (high severity) with 8 total listings.
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**2. Observation History**
- Recent Activity (Last 30 Days):
- DNSSEC Valid: Confirmed via DNS resolution.
- BGP Prefix: 1.80.0.0/13 (CHINANET-BACKBONE).
- DNS PTR: No reverse DNS records found.
- Threat Signals:
- 2 high-severity DNSBL listings (e.g., Spamhaus, OpenDNS).
- No malware campaigns or phishing indicators.
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**3. Network Relationships**
- Linked Entities:
- Same Network: CHINANET-SN (ASN 4134).
- Geolocation Consensus: Confirmed via 2 geolocation sources.
- Mobile Carrier: China Telecom (MCC 460, MNC 03).
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**4. Neighborhood Analysis**
- Subnet: 1.86.233.5/24 (no active neighbors detected).
- Abuse Density: 0% (isolated IP).
- Risk Inheritance: No adjacent IPs with elevated risk.
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**5. Recommendations**
- Monitor DNSBL Listings: Investigate why this IP is flagged in 2 DNSBLs.
- Check BGP Anomalies: Verify 1.80.0.0/13 prefix stability (CHINANET-BACKBONE).
- Mobile Network Context: Given China Telecom’s LTE/5G infrastructure, ensure mobile device traffic is segmented.
- No Immediate Action: No direct threat indicators, but DNSBL flags warrant further analysis.
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Source: IPDebrief Threat Intelligence Platform
Note: This IP is part of a mobile network with no direct malicious activity, but DNSBL listings suggest potential spam or abuse risks.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Xianghong Cao |
| ASN | AS4134 |
| Network Name | CHINANET-SN |
| CIDR Block | 1.80.0.0/13 |
| 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 | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 19% | 2 | 2 |
| Overall | 7% | 4 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-06-02 12:02:46 UTC |
| Last Seen | 2026-06-26 18:10:08 UTC |
| Profile Built | 2026-06-25 14:01:33 UTC |
| Data Freshness | Recent |
| Signal Types | 15 |
| Total Observations | 15 |
Full dossier details are available via our API.