# IP INTELLIGENCE BRIEFING: 181.42.21.192/32
Classification: Low Risk | Report Date: Current | Jurisdiction: Chile (CL)
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## EXECUTIVE SUMMARY
IP address 181.42.21.192 belongs to ENTEL CHILE S.A. (ASN 27651) and presents a low-risk threat profile with a risk score of 25. The IP is associated with a firewalled infrastructure in Santiago, Chile, showing no active malicious indicators, threat campaigns, or blacklist listings. Neighborhood analysis confirms a clean subnet environment.
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## OWNERSHIP & INFRASTRUCTURE
| Attribute | Value |
|---|---|
| **Organization** | ENTEL CHILE S.A. |
| **ASN** | 27651 |
| **Netname** | 181.42.0.0 - 181.42.63.255 |
| **CIDR Block** | 181.42.0.0/18 |
| **Registration RIR** | LACNIC |
| **Abuse Contact** | Available via RDAP |
Service Classification: Firewalled / No Services
Infrastructure Type: Not Cloud, CDN, VPN, Proxy, or Hosting
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## GEOLOCATION DATA
| Attribute | Value |
|---|---|
| **Country** | Chile (CL) |
| **Region** | Santiago Metropolitan |
| **City** | Santiago |
| **Coordinates** | -35.68, -71.54 |
| **Timezone** | America/Santiago |
| **Geo Confidence** | 0.52 (Multi-signal inference) |
| **Accuracy Radius** | 1000 km |
Note: Geo validation indicates geo_plausible=false with 1000 km accuracy radius.
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## NETWORK CHARACTERISTICS
- PTR Hostname: z388.entelchile.net
- DNS Resolution: Single forward confirmation (forward_confirmed=false)
- Open Ports: None detected
- TLS Certificate: Not present
- HTTP Title: Not present
- Server Banner: None
- Connection Type: Not identified
Control Plane Status:
- Route Stability: Unstable
- Operator Score: 0.1304 (Minimal)
- DNSBL Listed: 1 of 8 total lists
- RPKI State: Unavailable
- IRR Consistency: Unavailable
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## THREAT INTELLIGENCE
| Indicator | Status |
|---|---|
| **Risk Score** | 25 (Low Risk) |
| **Reputation** | Low Risk |
| **Known Attacker** | False |
| **Tor Exit Node** | False |
| **Spam Source** | False |
| **Blacklist Count** | 0 |
| **Threat Persistence** | None |
| **Campaign Likelihood** | None |
Evidence: No active threat indicators detected. No campaigns, known attacker signatures, or spam source associations identified.
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## NEIGHBORHOOD ANALYSIS
Subnet: 181.42.21.192/24
Abuse Density: 0.0 (Clean)
Classification: Clean
| Metric | Value |
|---|---|
| **Total Siblings** | 2 |
| **Active Siblings** | 0 |
| **Threat Siblings** | 0 |
| **High Risk Neighbors** | 0 |
| **Medium Risk Neighbors** | 0 |
| **Low Risk Neighbors** | 0 |
Notable Neighbor: 181.42.21.153 (risk score unavailable)
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## RELATIONSHIP GRAPH
Total Relationships: 11
| Type | Target |
|---|---|
| Same Network | 181.42.0.0 - 181.42.63.255 (5 instances) |
| DNS Association | z388.entelchile.net (6 instances) |
Primary Association: ENTEL CHILE telecommunications infrastructure network.
---
## OBSERVATION HISTORY
Total Observations: 20 (as of 2026-07-23)
Key Historical Signals:
- 2026-07-23 14:43:49 – Campaign/correlation scan (confidence: 0.30)
- 2026-07-23 14:43:25 – Ownership persistence check (confidence: 0.85)
- 2026-07-23 14:42:05 – Port/service scan (confidence: 0.70)
- 2026-07-23 14:41:55 – Subnet abuse density check (confidence: 0.40)
- 2026-07-23 14:41:09 – Geolocation inference (confidence: 0.52)
Temporal Metrics:
- Ownership Changes: 0
- Threat Observation Count: 0
- Threat Persistence Days: 0
- Persistently Malicious: False
---
## TRACERoute ANALYSIS
- Hop Count: 30
- First Hop RTT: 0.2 ms
- Last Hop RTT: 154.6 ms
- Timed Out Hops: 18
- Transit Networks: Comcast
---
## SECURITY ACTIONS RECOMMENDATION
Current Status: No immediate actions required. IP presents low-risk profile with no active threat indicators.
Recommended Approach: Monitor for changes in service exposure or risk score. No firewall blocking or rate limiting recommended at this time.
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INTELLIGENCE SOURCE: IPDebrief Threat Intelligence Platform
DATA TIMESTAMPS: 2026-07-23
CONFIDENCE LEVEL: Moderate (based on multi-signal inference)
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | ENTEL CHILE S.A. |
| ASN | AS27651 |
| Network Name | 181.42.0.0 - 181.42.63.255 |
| CIDR Block | 181.42.0.0/18 |
| RIR | LACNIC |
| Country | CL |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | z388.entelchile.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | z388.entelchile.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS27651 |
| Network Prefix | 181.42.16.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-04 23:31:33 UTC |
| Last Seen | 2026-08-27 08:43:44 UTC |
| Profile Built | 2026-08-29 04:58:24 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 181.42.21.192
Who owns the IP address 181.42.21.192?
181.42.21.192 is registered to ENTEL CHILE S.A.. The address falls within the 181.42.0.0/18 network block. Registration is held at LACNIC.
Where is 181.42.21.192 located?
Geolocation data places 181.42.21.192 in Santiago, Santiago Metropolitan, Chile. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 181.42.21.192 malicious or safe?
181.42.21.192 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 181.42.21.192?
The reverse DNS (PTR) record for 181.42.21.192 is z388.entelchile.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.