# 186.158.238.78 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/186.158.238.78
- Last updated: 2026-10-07

## Ownership

- Organization: AMX Argentina S.A.
- Network name: 186.158.0.0 - 186.158.255.255
- Allocated block: 186.158.0.0/16
- ASN: AS11664 (https://ipdebrief.com/asn/11664)
- Regional registry: LACNIC

## Location

- City: Rosario
- Region: Santa Fe
- Country: Argentina
- Time zone: —

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: yes
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- host78.186-158-238.telmex.net.ar
- Forward-confirmed: no

## Analyst narrative

\# 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**

## Nearby addresses

- 186.158.238.17 (https://ipdebrief.com/186.158.238.17)

---

Source: IPDebrief, "186.158.238.78 IP intelligence", https://ipdebrief.com/186.158.238.78, updated 2026-10-07. Assessments are probabilistic.