43.226.36.171
IP Intelligence Briefing: 43.226.36.171
Date: 2026-06-18
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**Risk Profile**
- Overall Risk: Moderate (65/100)
- Threat Indicators: 2 high-severity listings in 8 threat feeds (last observed June 18, 2026).
- Network Stability: Stable BGP routes (no blackholes or route changes in 30 days).
- Ownership: Registered to Lifen zhang (ASN 134762, APNIC).
- Geolocation: China (CN), no precise city/region data.
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**Key Observations**
1. Threat Activity:
- Recent high-severity listings in DNSBLs and threat feeds (e.g., spam, C2 servers).
- No active services or open ports detected.
2. Network Behavior:
- Firewalled / No Services: No HTTP, TLS, or DNS activity observed.
- BGP: Stable routes with ASN 134762; no route leaks or hijacks.
3. Subnet Analysis:
- /24 Subnet (43.226.36.0/24): 1 active neighbor (43.226.36.89, risk score 50).
- Abuse Density: Low (0 high-risk IPs in subnet).
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**Relationships**
- Linked to Xiaoniaoyun (multiple entries, likely organizational or network ties).
- No direct connections to known malicious domains, organizations, or certificates.
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**Recommended Actions**
1. Monitor: Track for new threat feed listings or service activation.
2. Block: Consider blocking based on moderate risk and recent high-severity indicators.
3. Investigate: Verify ties to "Xiaoniaoyun" and assess subnet-wide risks.
Note: No immediate active exploitation detected, but historical threat signals warrant caution.
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*Generated by IPDebrief Threat Intelligence Platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Lifen zhang |
| ASN | AS134762 |
| Network Name | — |
| CIDR Block | 43.226.32.0/20 |
| 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 | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 2 — Moderate operator sophistication with routing hygiene |
🔌 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 | 30% | 2 | 3 |
| routing | 30% | 3 | 4 |
| services | 8% | 1 | 1 |
| ownership | 24% | 2 | 3 |
| reputation | 24% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 22% | 11 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (65%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:20 UTC |
| Last Seen | 2026-06-23 12:50:53 UTC |
| Profile Built | 2026-06-23 12:55:16 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.