IP Intelligence Briefing: 39.144.129.144
Date: 2026-06-18
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: China Mobile (IRT-CHINAMOBILE-CN, ASN 56041)
- Geolocation: China (Beijing), inferred with 2500km accuracy.
- Network Role: Mobile carrier infrastructure (CMNET), no public services detected.
- Threat Indicators: No malicious activity, no DNS/IP abuse, no known campaigns.
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**2. Observation History**
- Recent Activity (2026-06-18):
- Geolocation inferred via multi-signal analysis (latitude 35.86, longitude 104.2).
- Subnet abuse density: 28.57% (mixed risk, 10 threat siblings in /24).
- No changes in threat signals over 30 days.
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**3. Relationships**
- Linked Entities:
- Same network: CMNET (IRT-CHINAMOBILE-CN).
- No external domains, certificates, or organizations associated.
- Network Classification: Mobile carrier infrastructure.
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**4. Neighborhood Analysis**
- Subnet: 39.144.129.144/24
- Abuse Density: 28.57% (10 threat siblings out of 35 total).
- Neighbor Risks:
- 1 high-risk IP (score 25), 47 low-risk IPs.
- Notable neighbors: 39.144.129.6, 39.144.129.11, 39.144.129.21 (all low risk).
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**5. Actionable Insights**
- No Immediate Threat: The IP itself is low risk, but its subnet shows moderate abuse density.
- Monitor Subnet: Watch for unusual activity in 39.144.129.0/24, as 10 neighbors are flagged as threats.
- Verify Context: Confirm if this IP is part of a legitimate mobile carrier service or a compromised device.
- No Blocking Required: No malicious indicators justify blocking, but subnet-level monitoring is recommended.
Conclusion: This IP is part of a mobile carrier network in China with no direct malicious activity. However, its subnet contains a mix of low and high-risk IPs, warranting closer scrutiny.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | IRT-CHINAMOBILE-CN |
| ASN | AS56041 |
| Network Name | CMNET |
| CIDR Block | 39.128.0.0/10 |
| RIR | APNIC |
| Country | CN |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| 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 | 26% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 23% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:18 UTC |
| Last Seen | 2026-06-23 11:37:30 UTC |
| Profile Built | 2026-06-23 11:42:48 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.