43.155.172.154
IP Intelligence Briefing: 43.155.172.154
Date: 2026-06-18
---
**1. Profile Summary**
- Risk Score: Moderate (50/100)
- Ownership: Registered to IRT-ACEVILLEPTELTD-SG (ASN 132203) in South Korea (KR).
- Geolocation: Seoul, South Korea (35.91°N, 127.77°E).
- Network Role: Firewalled / No Services (no open ports or TLS certificates detected).
- Control Plane:
- BGP prefix: 43.155.128.0/18
- AS Path: `34549 1299 4766 132203`
- Route Stability: Stable (no recent route changes).
- DNSSEC Valid: Yes.
---
**2. Threat Observations**
- No Direct Malicious Indicators: No known attacker, spam, or Tor exit node activity.
- DNSBL Listings:
- Listed in 2/8 DNSBLs (high severity).
- Possible false positives or low-confidence threats.
- Historical Signals:
- Recent DNSSEC validation and route stability checks.
- No persistent threat activity detected.
---
**3. Network Relationships**
- Linked Entities:
- Same network: ACEVILLEPTELTD-SG (repeated in relationships).
- No external subnets, organizations, or hostnames linked.
- Subnet: 43.155.172.154/24
- Abuse Density: 0% (clean subnet).
- No neighboring IPs detected (likely a small or isolated subnet).
---
**4. Behavioral Insights**
- Traffic Patterns:
- No open services, HTTP, or TLS activity observed.
- No WAF violations, enumeration attempts, or honeypot hits.
- Routing:
- Stable BGP route with no blackhole or hijack alerts.
- Low operator score (0.13), indicating minimal risk.
---
**5. Recommendations**
- Monitor: Track DNSBL listings and route stability for potential changes.
- Block/Allow: Consider blocking based on DNSBL status if further analysis confirms threats.
- Verify: Cross-check with internal threat feeds for any missed indicators.
---
Note: The IP appears to be part of a legitimate network with no confirmed malicious activity, but its DNSBL listings warrant closer scrutiny.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-ACEVILLEPTELTD-SG |
| ASN | AS132203 |
| Network Name | — |
| CIDR Block | 43.155.128.0/18 |
| 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 | |||
| 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 | 37% | 2 | 3 |
| routing | 27% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 27% | 3 | 4 |
| reputation | 30% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 26% | 12 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:20 UTC |
| Last Seen | 2026-06-23 12:39:51 UTC |
| Profile Built | 2026-06-23 12:44:24 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 23 |
Full dossier details are available via our API.