# IP Intelligence Briefing: 186.154.36.111/32
Classification: LOW RISK – Legitimate Infrastructure
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## Executive Summary
IP 186.154.36.111 is a low-risk address (Risk Score: 30) assigned to ETB - Colombia (ASN 19429). The IP belongs to the 186.154.0.0/16 block and resolves to a dynamic residential hostname. No malicious indicators, blacklisting, or persistent threat activity detected. No recommended blocking actions.
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## Ownership and Infrastructure
| Attribute | Value |
|---|---|
| **Organization** | ETB - Colombia |
| **ASN** | 19429 |
| **CIDR Block** | 186.154.0.0/16 |
| **Geolocation** | Bogotá, Colombia (CO) |
| **Network Role** | Residential / Dynamic |
| **Service Status** | Firewalled / No Services |
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## Threat Indicators
- Blacklist Count: 0
- DNSBL Listed: 2 of 8 total lists
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Campaign Associations: None detected
- Abuse Confidence Score: Not applicable
---
## Network Neighborhood (186.154.36.0/24)
| Metric | Value |
|---|---|
| **Abuse Density** | 0 (Clean) |
| **Total Siblings** | 2 |
| **Active Siblings** | 0 |
| **Threat Siblings** | 0 |
| **Neighbor IPs** | 186.154.36.76 |
The subnet shows no inherited risk or malicious activity patterns.
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## DNS and Hostname Analysis
- PTR Record: dynamic-186-154-36-111.dynamic.etb.net.co
- Forward Resolution: Confirmed
- Hosted Domains: 0
- Email Authentication: SPF/DMARC not configured (consistent with residential IP)
---
## Observation History
17 observations recorded. Key findings:
- Ownership Stability: 0 changes observed
- Threat Persistence: 0 days
- Persistent Malicious Behavior: False
- Recent Signals: All observations from July 25, 2026 timeframe
- Provider Classification: Business proxy (ETB - Colombia)
- Geolocation Confidence: 0.52 (Bogotá region)
---
## Recommended Security Actions
No firewall rules or blocking recommendations generated. The IP presents minimal threat risk. If traffic from this IP is observed:
- Monitor but do not block
- Evaluate in context of broader traffic patterns
- No immediate threat intelligence action required
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## Intelligence Assessment
This IP address represents legitimate residential infrastructure from a Colombian ISP. The low risk score, clean subnet classification, absence of threat indicators, and historical stability support treating this as non-malicious traffic. No further investigation or mitigation required at this time.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | ETB - Colombia |
| ASN | AS19429 |
| Network Name | 186.154.0.0 - 186.154.255.255 |
| CIDR Block | 186.154.0.0/16 |
| RIR | LACNIC |
| Country | CO |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | dynamic-186-154-36-111.dynamic.etb.net.co |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | dynamic-186-154-36-111.dynamic.etb.net.co |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS19429 |
| Network Prefix | 186.154.36.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 8% | 2 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 19:11:06 UTC |
| Last Seen | 2026-08-26 22:42:27 UTC |
| Profile Built | 2026-08-29 07:14:01 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 186.154.36.111
Who owns the IP address 186.154.36.111?
186.154.36.111 is registered to ETB - Colombia. The address falls within the 186.154.0.0/16 network block. Registration is held at LACNIC.
Where is 186.154.36.111 located?
Geolocation data places 186.154.36.111 in Bogotá, Bogota D.C., Colombia. The local time zone is America/Bogota. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 186.154.36.111 malicious or safe?
186.154.36.111 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 186.154.36.111?
The reverse DNS (PTR) record for 186.154.36.111 is dynamic-186-154-36-111.dynamic.etb.net.co. This hostname is forward-confirmed, meaning it resolves back to the same address.