43.228.157.169
IP Intelligence Briefing: 43.228.157.169
Date: 2026-06-18
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**1. Risk Assessment**
- Overall Risk Score: Moderate (40/100)
- Threat Indicators: No direct malicious activity detected (no known attackers, spam, or campaigns).
- DNSBL Listings: 2 out of 8 DNSBL lists flag the IP, suggesting potential abuse.
- Stability: Stable ownership (no recent changes) with low network instability.
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**2. Ownership & Geolocation**
- Registrar: IRT-GZSYSTEMS-HK (ASN 205759)
- Location: Singapore (1.35°N, 103.82°E), with geolocation accuracy ±30 km.
- Network Classification: High abuse density in the /24 subnet (0.57).
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**3. Network Behavior**
- Subnet: 43.228.157.0/24
- Neighbor Risk: 6/7 sibling IPs in the subnet share similar risk scores (40), indicating a potential cluster of moderate-risk activity.
- BGP Analysis:
- Origin ASN 205759 (IRT-GZSYSTEMS-HK) shows no recent route changes.
- Subnet classified as "high_abuse" with inherited risk score 9.
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**4. Historical Observations**
- Recent Activity:
- DNS resolution and geolocation data stable since June 2026.
- No spikes in threat signals or network anomalies.
- Long-Term Trends: No persistent malicious behavior detected.
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**5. Relationships & Context**
- Linked Entities:
- Associated with "Cyber-Security-SG" (likely a network or organization).
- No direct connections to known malicious domains or certificates.
- Services: No open ports or TLS services detected.
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**6. Recommendations**
1. Monitor Subnet: Track 43.228.157.0/24 for emerging threats due to high abuse density.
2. Verify DNSBL Status: Investigate why the IP appears on 2 DNSBL lists.
3. Check for Anomalies: Use network sensors to detect unexpected traffic patterns in the subnet.
4. Validate Geolocation: Confirm if the Singapore-based IP aligns with expected traffic patterns.
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End of Briefing
*Generated via IPDebrief intelligence tools. Use for operational decision-making.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-GZSYSTEMS-HK |
| ASN | AS205759 |
| Network Name | — |
| CIDR Block | — |
| RIR | APNIC |
| Country | — |
| 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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| 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 | 18% | 2 | 2 |
| routing | 19% | 2 | 2 |
| services | 8% | 1 | 1 |
| ownership | 24% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 17% | 10 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (65%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:20 UTC |
| Last Seen | 2026-06-23 12:52:43 UTC |
| Profile Built | 2026-06-23 12:55:15 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.