218.28.18.2
IP Intelligence Briefing: 218.28.18.2/32
*Generated via IPDebrief Threat Intelligence Platform*
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**Core Profile**
- Risk Score: 80 (High Risk)
- Owner: Wei Wang (ASN 4837, China Unicom)
- Geolocation: China (CN), inferred with 2500km accuracy radius
- Network Role: Mobile LTE/5G device (not residential, cloud, or CDN)
- Subnet: 218.28.18.0/24 (abuse density: 0% - "mostly clean")
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**Threat Indicators**
- No direct malicious indicators: No malware signatures, spam, or known attacker associations.
- DNS Associations: Linked to `pc0.zz.ha.cn` (hosted domain: `ha.cn`). No email auth (SPF/DKIM) detected.
- Routing: BGP prefix `218.28.18.0/24` registered to China Unicom. Route stability: unstable.
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**Observation History**
- Last 30 Days:
- Single observation (June 3, 2026) showing inferred geolocation in China.
- No significant changes in risk or network behavior.
- DNS and routing signals consistent with mobile ISP infrastructure.
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**Network Relationships**
- Linked Entities:
- Subnet: `HA-ZZ-DEPARTMENT-STORE` (ASN 4837).
- DNS: `pc0.zz.ha.cn` (no additional domain or email validation).
- No peer-to-peer or botnet associations detected.
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**Neighborhood Analysis**
- Subnet: 218.28.18.0/24
- Active Neighbors: 0
- Threat Siblings: 1 (potential risk outlier in subnet).
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**Recommendations**
1. Monitor DNS Activity: Investigate `pc0.zz.ha.cn` for potential phishing or credential stuffing campaigns.
2. Geolocation Verification: Confirm if the IP is part of a legitimate mobile network or spoofed location.
3. Network Segmentation: Isolate mobile traffic to prevent potential lateral movement if the IP becomes compromised.
4. Watch for Subnet Changes: The subnet’s low abuse density may mask emerging threats; re-evaluate in 7–14 days.
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*Note: This IP appears to be a legitimate mobile device under China Unicom, but its high risk score may reflect network-level anomalies or misclassification. Further validation is recommended.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Wei Wang |
| ASN | AS4837 |
| Network Name | HA-ZZ-DEPARTMENT-STORE |
| CIDR Block | 218.28.18.0/29 |
| RIR | APNIC |
| Country | CN |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | pc0.zz.ha.cn |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | pc0.zz.ha.cn |
🔐 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| 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 | 31% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 24% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 21% | 9 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:12 UTC |
| Last Seen | 2026-06-26 18:11:09 UTC |
| Profile Built | 2026-06-23 08:59:09 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 20 |
Full dossier details are available via our API.