IP Intelligence Briefing: 14.21.56.148
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership: Registered to IPMASTER CHINANET-GD (China Telecom, ASN 4134).
- Geolocation: China (Shanghai), coordinates 34.77°N, 113.72°E.
- Network Role: Mobile carrier infrastructure (China Telecom, LTE/5G).
- Threat Indicators: No active malware, phishing, or botnet associations detected.
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**2. Observation History**
- Recent Activity (Last 30 Days):
- 15 observations recorded, with mixed confidence levels (0.17β0.85).
- No persistent malicious behavior or network anomalies.
- DNSSEC validation confirmed, route stability inconsistent.
- Minimal geolocation accuracy (2500 km radius inferred).
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**3. Relationships & Neighbors**
- Linked Entities:
- Same network: CHINANET-GD (China Telecom).
- Subnet Analysis:
- No neighboring IPs found in the /24 subnet (14.21.56.0/24).
- Subnet abuse density: 0% (no malicious activity reported).
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**4. Network Classification**
- Mobile Carrier: Yes (China Telecom, MCC 460, MNC 03).
- Services: No open ports or TLS certificates detected.
- Routing: BGP prefix 14.16.0.0/12; route changes: 0 in 30 days.
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**5. Recommendations**
- Monitor: Track geolocation accuracy and network routing stability.
- Contextualize: Consider the IPβs role in China Telecomβs mobile network; no immediate threat detected.
- Verify: Cross-reference with internal threat feeds for potential false negatives.
Conclusion: 14.21.56.148 is a legitimate mobile carrier IP with no current malicious indicators. No immediate action required, but ongoing monitoring is advised for network anomalies.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | IPMASTER CHINANET-GD |
| ASN | AS4134 |
| Network Name | CHINANET-GD |
| CIDR Block | 14.16.0.0/12 |
| RIR | APNIC |
| Country | CN |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown β Insufficient routing data to classify |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 21% | 1 | 2 |
| routing | 17% | 1 | 1 |
| services | 27% | 2 | 2 |
| ownership | 30% | 2 | 3 |
| reputation | 20% | 1 | 1 |
| geolocation | 27% | 2 | 2 |
| Overall | 23% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Recent
| First Seen | 2026-05-19 15:37:54 UTC |
| Last Seen | 2026-06-13 03:44:44 UTC |
| Profile Built | 2026-06-12 01:31:40 UTC |
| Data Freshness | Recent |
| Signal Types | 17 |
| Total Observations | 18 |
Full dossier details are available via our API.