103.116.75.51
IP Intelligence Briefing: 103.116.75.51
*Generated via IPDebrief Analysis*
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**Core Profile**
- Risk Score: 80 (High Risk)
- Ownership: ASN 400618 (IRT-JLTL-HK / JINX-4)
- Geolocation: Hong Kong (HK), but region field indicates "California" (likely data anomaly). Coordinates 22.4°N, 114.11°E.
- Network Role: Unknown; no services or infrastructure flags detected.
- Threat Indicators: No direct malicious activity (no indicators, campaigns, or spam sources).
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**Observation History**
- Recent Activity:
- Listed in 8 DNSBLs (4 high-severity listings).
- Associated with AS131477 (Shanghai Huajuan Information Technology Co. Ltd., CN).
- Detected in AlienVault OTX with 8 pulse alerts (e.g., "malware," "phishing").
- Geolocation Anomalies: Conflicting region data ("California" vs. HK).
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**Relationships**
- Network: Linked to JINX-4 (same subnet).
- DNS: Resolves to undefined.hostname.localhost (likely misconfigured or spoofed).
- No Known Affiliations: No hostnames, organizations, or certificates tied to the IP.
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**Neighborhood Analysis**
- Subnet: 103.116.75.0/24
- Abuse Density: 0% (no active malicious neighbors).
- Neighbor Count: 0 active IPs in subnet.
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**Actionable Insights**
1. Monitor DNS Configuration: The "undefined.hostname.localhost" resolution suggests misconfigured DNS or potential spoofing.
2. Investigate Chinese Entity: AS131477 (Shanghai Huajuan) may require further scrutiny, given the IP's association with high-severity DNSBL listings.
3. Geolocation Discrepancy: Verify HK vs. California location conflict; potential data corruption or false positives.
4. Isolated Risk: While the IP has no direct threats, its DNSBL listings and anomalous data warrant closer monitoring for potential abuse.
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Recommendation: Flag for further analysis, especially DNS and geolocation anomalies. No immediate mitigation required, but maintain visibility.
*Data sourced from IPDebrief threat intelligence platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-JLTL-HK |
| ASN | AS400618 |
| Network Name | JINX-4 |
| CIDR Block | 103.116.75.0/24 |
| RIR | APNIC |
| Country | HK |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | undefined.hostname.localhost |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | undefined.hostname.localhost |
🔐 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 | Multi-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 22 | ssh | tcp | — |
| 8080 | http-alt | tcp | — |
| Closed Ports | 25, 443, 3389, 8443 (3 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 | 32% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 4 |
| geolocation | 21% | 2 | 2 |
| Overall | 20% | 9 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:25 UTC |
| Last Seen | 2026-06-26 14:30:45 UTC |
| Profile Built | 2026-06-22 06:14:49 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 24 |
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