43.159.142.163
IP Intelligence Briefing: 43.159.142.163
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Owner: IRT-ACEVILLEPTELTD-SG (Singapore-based, APNIC-regulated)
- Geolocation:
- Country: United States (CA, Santa Clara)
- Coordinates: 37.35° N, -121.95° W
- ASN: 132203 (Tencent Network, Singapore)
- Network Role: Firewalled / No Services (no open ports, no TLS/HTTP services)
- Threat Indicators: No malicious activity detected (no spam, known attackers, or campaigns).
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**2. Observation History**
- Recent Activity:
- DNSBL Listing: Listed in 1/8 DNSBLs (low risk, but potential spam/abuse activity).
- Geolocation Inference: Confirmed as US-based (Midwest) with 28% confidence.
- Network Stability: No ownership changes or threat persistence detected.
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**3. Relationships & Network Context**
- Shared Network: Part of ACE-SG (Singapore-based network) with BGP prefix 43.159.128.0/19.
- Subnet Neighbors: No active neighbors detected in the 43.159.142.163/24 subnet.
- Control Plane:
- DNSSEC valid, no CAA records.
- Route stability: 0 changes in 30 days.
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**4. Actionable Insights**
- Monitor DNSBL Status: Track if the IP persists in DNSBL listings (potential spam source).
- Verify Geolocation Discrepancy: Investigate why a Singapore-registered IP is geolocated in the US.
- Network Isolation: The subnet’s lack of active neighbors suggests minimal lateral movement risk.
Recommendation: Low-priority for immediate mitigation. Continue monitoring for DNSBL updates or unexpected network behavior.
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*Generated via IPDebrief threat intelligence tools.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-ACEVILLEPTELTD-SG |
| ASN | AS132203 |
| Network Name | ACE-SG |
| CIDR Block | 43.159.128.0/18 |
| RIR | APNIC |
| Country | US |
| 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 | Unknown — Insufficient routing data to classify |
🔌 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 30% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 14% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-25 06:42:18 UTC |
| Last Seen | 2026-06-10 21:17:40 UTC |
| Profile Built | 2026-06-10 21:24:02 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 14 |
Full dossier details are available via our API.