# IP Intelligence Briefing: 186.159.238.31/32
Classification: Residential Endpoint – Low Risk
Date: July 23, 2026
Status: Active Observation
## Executive Summary
IP address 186.159.238.31 is classified as a low-risk residential endpoint operated by Cable Tica (ASN 52228) in Costa Rica. No malicious indicators detected. The IP demonstrates clean historical behavior with zero blacklist listings and no threat persistence.
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## Ownership & Infrastructure
| Attribute | Value |
|---|---|
| **Organization** | Cable Tica |
| **ASN** | 52228 |
| **CIDR Block** | 186.159.128.0/17 |
| **Geolocation** | San José, Costa Rica (CR) |
| **Network Role** | Residential Endpoint |
| **Connection Type** | Residential |
---
## Risk Assessment
| Metric | Value | Assessment |
|---|---|---|
| **Overall Risk Score** | 25 | Low Risk |
| **Abuse Confidence** | 0% | None |
| **Blacklist Count** | 0 | Clean |
| **Known Attacker** | No | Not flagged |
| **Spam Source** | No | Not flagged |
| **Tor Exit Node** | No | Not applicable |
---
## Technical Profile
DNS Resolution:
- Reverse DNS: `ip31-238-159-186.ct.co.cr`
- Forward Resolution: Confirmed
- Hosted Domains: 0
Network Services:
- Open Ports: None detected
- TLS Certificates: None
- HTTP Banner: None
Control Plane:
- Operator Score: 0.2609 (Basic)
- DNSSEC: Valid
- Route Stability: Unstable
---
## Neighborhood Analysis (186.159.238.0/24)
| Metric | Value |
|---|---|
| **Abuse Density** | 0 |
| **Active Siblings** | 0 |
| **Threat Siblings** | 0 |
| **High-Risk Neighbors** | 0 |
The /24 subnet shows zero abuse density with no sibling threats identified.
---
## Historical Observation (15 Records)
| Observation Type | Status | Recent Trend |
|---|---|---|
| **Classification** | Clean | Stable |
| **Abuse Density** | 0% | No change |
| **Geolocation** | San José, CR | Consistent |
| **Threat Indicators** | None | No escalation |
The IP has maintained a clean classification across all 15 historical observations with no threat persistence detected.
---
## Relationship Graph
| Relationship Type | Target |
|---|---|
| DNS Association | ip31-238-159-186.ct.co.cr |
| Same Network | 186.159.128.0 – 186.159.255.255 |
---
## Security Recommendations
Action Required: None
This IP address is classified as a legitimate residential endpoint with no actionable threat indicators. No firewall rules or blocking measures are recommended. The IP maintains a low-risk profile suitable for normal network traffic.
---
Analyst Notes: The IP is part of a residential ISP allocation from Cable Tica. No malicious activity or suspicious patterns observed. Continue standard monitoring practices.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Cable Tica |
| ASN | AS52228 |
| Network Name | 186.159.128.0 - 186.159.255.255 |
| CIDR Block | 186.159.128.0/17 |
| RIR | LACNIC |
| Country | CR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ip31-238-159-186.ct.co.cr |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ip31-238-159-186.ct.co.cr |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS52228 |
| Network Prefix | 186.159.238.0/23 |
| 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 16% | 4 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-04 05:08:32 UTC |
| Last Seen | 2026-08-24 14:36:09 UTC |
| Profile Built | 2026-08-29 09:42:37 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 186.159.238.31
Who owns the IP address 186.159.238.31?
186.159.238.31 is registered to Cable Tica. The address falls within the 186.159.128.0/17 network block. Registration is held at LACNIC.
Where is 186.159.238.31 located?
Geolocation data places 186.159.238.31 in San José, Provincia de San José, CR. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 186.159.238.31 malicious or safe?
186.159.238.31 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 186.159.238.31?
The reverse DNS (PTR) record for 186.159.238.31 is ip31-238-159-186.ct.co.cr. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 186.159.238.31 a VPN, proxy, or data center address?
186.159.238.31 is classified as a residential network based on network ownership and behavioural analysis.