138.121.113.106📋 Copy

IP Intelligence Briefing: 138.121.113.106

Date: 2026-06-13

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**1. Core Profile**

• Risk Score: Low (25/100)
• Ownership:

- ISP: REFSA TELECOMUNICACIONES (AS263791)

- Location: Formosa, Argentina (Region: Formosa)

- Subnet: 138.121.112.0/22

• Threat Indicators:

- No active malware, phishing, or exploit campaigns detected.

- No DNSBL listings or known attacker associations.

• Network Role: Residential endpoint (non-cloud, non-CDN).

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**2. Observation History**

• Recent Activity (Last 30 Days):

- 15 observations recorded, with mixed signals:

- Threat Signals: 6 inferred threats (confidence: 0.85) linked to spam or phishing campaigns.

- Geolocation: Consistent with Argentina (Formosa), though some inferred locations show discrepancies (e.g., latitude -38.42, longitude -63.62).

- DNSSEC: Valid, no spoofing detected.

- Stability: BGP route stability issues (routeChanges30d: 0, but isRouteStable: false).

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**3. Relationships & Network Context**

• Linked Entities:

- Same /22 subnet: 138.121.112.0–138.121.115.255.

- No direct connections to known malicious domains, organizations, or certificates.

• Subnet Abuse Density:

- Abuse Density: 0% (no malicious IPs in the subnet).

- Neighbors: No active neighbors reported (/24 subnet).

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**4. Threat & Mitigation Analysis**

• Risk Assessment:

- Low-risk residential IP with no confirmed malicious activity.

- Potential false positives in threat signals (e.g., inferred spam campaigns).

• Recommendations:

- Monitor for unexpected DNS changes or new service activity.

- Validate geolocation anomalies (e.g., inferred coordinates outside Formosa).

- Ensure network segmentation to limit exposure from shared subnets.

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Next Steps:

• Cross-check with internal threat feeds for any missed indicators.
• Verify ISP reputation (REFSA TELECOMUNICACIONES) for compliance with data privacy standards.
• Consider enabling DNS filtering for the subnet to mitigate potential spoofing risks.

End of Briefing

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