186.158.238.78 is an IPv4 address operated by AMX Argentina S.A. (AS11664), geolocated to Rosario, Argentina. It belongs to a mobile network with reverse DNS name host78.186-158-238.telmex.net.ar. As of October 7, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
# IP Intelligence Briefing: 186.158.238.78
Classification: Low Risk
Date: Current Analysis Cycle
Report ID: IB-186-158-238-78-2024
---
## Executive Summary
IP address 186.158.238.78 is classified as Low Risk (Score: 25/100). The address belongs to a mobile carrier infrastructure (Claro/AMX Argentina S.A.) with no active threat indicators. While the IP shows minimal malicious activity, one DNSBL listing with high-severity severity warrants monitoring. No immediate blocking recommended based on current data.
---
## Ownership & Geolocation
| Attribute | Value |
|---|---|
| **Organization** | AMX Argentina S.A. |
| **ASN** | AS11664 |
| **CIDR Block** | 186.158.0.0/16 |
| **Country** | Argentina (AR) |
| **Region** | Santa Fe |
| **City** | Rosario |
| **Coordinates** | -32.95, -60.66 |
| **Timezone** | America/Argentina/Buenos_Aires |
| **Mobile Carrier** | Claro (LTE/5G) |
---
## Threat Indicators
- Risk Score: 25 (Low Risk)
- Abuse Confidence Score: Not Available
- Blacklist Status: 0 lists (0% coverage)
- Known Campaigns: None detected
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
---
## Network Services & Classification
| Indicator | Status |
|---|---|
| **Mobile Carrier** | Yes |
| **Hosting** | No |
| **Cloud Infrastructure** | No |
| **CDN** | No |
| **Proxy** | No |
| **Open Ports** | None detected |
| **Service Purpose** | Firewalled / No Services |
| **DNS Resolution** | 1 PTR: host78.186-158-238.telmex.net.ar |
---
## Control Plane & BGP Data
- Origin ASN: 11664
- BGP Prefix: 186.158.236.0/22
- Route Stability: False
- RPKI State: Not Available
- DNSSEC Valid: Yes
- DNSBL Listings: 1/8 lists flagged
---
## Historical Observations
Total Signals: 15 observations
Latest Signal Date: 2026-07-25
Recent Activity:
- DNSBL listing detected with high-severity rating (1 of 8 lists)
- Geographic signals show minor variance (inference confidence 52-85%)
- No ownership changes detected
- No persistent threat behavior observed
- Threat observation count: 0
---
## Network Neighborhood Analysis
- Subnet: 186.158.238.78/24
- Abuse Density: 0
- Total Siblings: 0
- Active Siblings: 0
- Threat Siblings: 0
- High Risk Neighbors: 0
- Medium Risk Neighbors: 0
---
## Associated Entities
| Type | Entity |
|---|---|
| **Same Network** | 186.158.0.0 - 186.158.255.255 |
| **DNS Hostname** | host78.186-158-238.telmex.net.ar |
---
## Recommended Actions
| System | Action |
|---|---|
| **Firewall** | No specific rules generated |
| **WAF** | No specific rules generated |
| **Cloudflare** | No specific rules generated |
| **AWS WAF** | No specific rules generated |
| **General** | Monitor for DNSBL listing changes |
---
## Analyst Notes
1. Mobile Infrastructure: The IP is confirmed as mobile carrier traffic (Claro/AMX Argentina). Mobile IPs are typically residential-grade connections with variable geolocation accuracy.
2. DNSBL Flag: One DNSBL listing with high-severity rating requires monitoring. This may represent a false positive or legitimate reputation issue.
3. No Active Threats: No open ports, no known campaigns, no persistent malicious behavior detected.
4. Subnet Context: The /24 subnet shows no abuse density or threat activity. No related sibling IPs flagged.
5. Recommendation: Monitor for changes in DNSBL status. No immediate blocking action required. Add to watchlist if additional threat indicators emerge.
---
End of Briefing
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | AMX Argentina S.A. |
| ASN | AS11664 |
| Network Name | 186.158.0.0 - 186.158.255.255 |
| CIDR Block | 186.158.0.0/16 |
| RIR | LACNIC |
| Country | AR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | host78.186-158-238.telmex.net.ar |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | host78.186-158-238.telmex.net.ar |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | AS11664 |
| Network Prefix | 186.158.238.0/24 |
| 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 (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 19:11:07 UTC |
| Last Seen | 2026-10-07 02:32:34 UTC |
| Profile Built | 2026-10-07 02:33:00 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 186.158.238.78
Who owns the IP address 186.158.238.78?
186.158.238.78 is registered to AMX Argentina S.A.. The address falls within the 186.158.0.0/16 network block. Registration is held at LACNIC.
Where is 186.158.238.78 located?
Geolocation data places 186.158.238.78 in Rosario, Santa Fe, Argentina. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 186.158.238.78 malicious or safe?
186.158.238.78 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 186.158.238.78?
The reverse DNS (PTR) record for 186.158.238.78 is host78.186-158-238.telmex.net.ar. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 186.158.238.78 a VPN, proxy, or data center address?
186.158.238.78 is classified as a mobile network based on network ownership and behavioural analysis.