38.65.137.126📋 Copy

# IP Intelligence Briefing: 38.65.137.126

Classification: Moderate Risk | Risk Score: 55/100 | Date: Current

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## Executive Summary

IP address 38.65.137.126 presents a moderate risk profile (55/100) associated with IENTC S de RL de CV (ASN 28458), a Mexican ISP. The IP is geolocated to Guanajuato, Mexico, though geolocation validation indicates inconsistencies. The address is firewalled with no active services, but exists within a high-abuse subnet (38.65.137.0/24) exhibiting elevated abuse density and multiple threat siblings.

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## Network Ownership & Infrastructure

• Organization: IENTC S de RL de CV
• ASN: 28458
• CIDR Block: 38.65.136.0/22 (NET-38-65-136-0-1)
• Network Classification: Firewalled / No Services
• DNS Record: 38-65-137-126.customer.ientc.net.mx
• Reverse DNS: Forward confirmed; no forward resolution ambiguity

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## Threat Indicators

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## Neighborhood Analysis (38.65.137.0/24)

The /24 subnet exhibits elevated abuse characteristics:

• Abuse Density: 0.091 (9.1%)
• Classification: high_abuse
• Total Siblings: 11
• Active Siblings: 4
• Threat Siblings: 7

High-Risk Neighbors:

• 38.65.137.97: Risk 80
• 38.65.137.96: Risk 70
• 38.65.137.107: Risk 70
• 38.65.137.116: Risk 70

The subnet's high-abuse classification suggests coordinated or shared infrastructure risk.

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## Observation History

• Total Observations: 19
• Latest: 2026-06-25
• Notable Finding: 2026-06-05 observation classified subnet as "high_abuse" with abuse_density 0.6364
• Risk Persistence: 0 days (non-persistently malicious)
• Ownership Changes: 0

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## Recommended Actions

Immediate:

• Increase logging verbosity for traffic from this IP
• Review recent activity patterns and connection attempts

Firewall Mitigation:

```bash

# iptables

iptables -A INPUT -s 38.65.137.126 -j DROP

# nftables

nft add rule inet filter input ip saddr 38.65.137.126 drop

# nginx

deny 38.65.137.126;

# pfSense

38.65.137.126/32

# Cloudflare WAF

ip.src eq 38.65.137.126 → block

# AWS WAF

Addresses: [38.65.137.126/32]

Description: IPDebrief risk 55

```

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## Analyst Notes

The IP lacks direct threat indicators but presents contextual risk through neighborhood proximity to multiple high-abuse addresses. The subnet's classification as "high_abuse" warrants defensive posture adjustments. Monitor for activity patterns consistent with the threat siblings identified in the /24.

*This briefing is based on IPDebrief intelligence data. Combine with other signals before taking action.*

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.