27.24.141.147
IP Intelligence Briefing: 27.24.141.147
Date: 2026-06-03
---
**1. Core Profile**
- Risk Score: 80 (High Risk)
- Ownership:
- ASN: 4134
- Organization: Zhengding Cai (CHINANET-HB)
- ISP: China Telecom
- Geolocation: P.R. China (CN)
- Network Role: Mobile network (LTE/5G) with no public services or hosting.
- Threat Indicators: No direct malicious activity detected, but subnet (27.24.141.0/24) shows high abuse density (0.6667) and 8/12 neighbors flagged as high-risk.
---
**2. Observation History**
- Recent Activity (Last 30 Days):
- Consistent high-risk classification with abuse density and neighbor risk scores.
- DNS resolution issues noted (timed-out queries to internal DNS servers).
- No significant changes in threat signals or network behavior.
---
**3. Relationships & Network Context**
- Linked Entities:
- Subnet: 27.24.141.0/24 (12 IPs, 9 active; 8 high-risk neighbors).
- Organization: CHINANET-HB (China Telecom).
- DNS Associations: Failed to resolve hostnames, suggesting potential misconfiguration or spoofing.
---
**4. Neighborhood Analysis**
- Subnet Risk:
- Abuse Density: 66.67% (high-risk classification).
- High-Risk Neighbors: 8/12 IPs (risk scores ≥80).
- Inherited Risk: 20% (likely due to compromised subnet).
- Notable Neighbors:
- IPs 27.24.141.88, 95, 111, 112, 119, 122, 156, 160–161, 169 (all high-risk).
---
**5. Recommendations**
- Block/Restrict: Implement network rules to block traffic from 27.24.141.0/24 due to high abuse density and compromised neighbors.
- Monitor Subnet: Continuously observe the subnet for lateral movement or new threats.
- Investigate DNS Issues: Verify DNS configuration or potential spoofing in the 27.24.141.0/24 range.
- Validate Geolocation: Cross-check IP ownership with China Telecom to confirm legitimate mobile network activity.
---
Note: This IP is part of a high-risk subnet managed by a Chinese ISP. While no direct malicious activity is detected, the network environment warrants close monitoring.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Zhengding Cai |
| ASN | AS4134 |
| Network Name | CHINANET-HB |
| CIDR Block | 27.16.0.0/12 |
| 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 | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ 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 | 26% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 24% | 2 | 3 |
| ownership | 24% | 2 | 3 |
| reputation | 23% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:15 UTC |
| Last Seen | 2026-06-26 18:11:12 UTC |
| Profile Built | 2026-06-23 09:44:41 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 26 |
Full dossier details are available via our API.