181.21.155.183📋 Copy

IP Intelligence Briefing: 181.21.155.183

Date: 2026-06-12

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**1. Core Profile**

• Risk Score: Low Risk (0/100)
• Ownership:

- ISP: Telefonica de Argentina (AS22927)

- Network Range: 181.20.0.0/14

- Country: Argentina (LACNIC registry)

• Geolocation:

- Reported Country: United States (NY)

- Actual ISP Location: Argentina (conflict noted; likely geolocation error)

• Network Role: Mobile Carrier infrastructure (no public services or hosting).

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**2. Threat Observations**

• Historical Signals (Last 30 Days):

- Threat Lists: Listed in 8 sources (high-severity indicators, 85% confidence).

- DNS Records: Valid DNSSEC (no spoofing detected).

- BGP Data: Assigned to AS22927 (Telefonica de Argentina).

- Email Reputation: No SPF/DKIM records detected.

• Current Threat Status: No active malicious indicators (low-risk score).

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**3. Relationships & Network Context**

• Linked Entities:

- Same network as Telefonica de Argentina (181.20.0.0/14).

• Subnet Analysis:

- /24 Subnet: 181.21.155.0/24 (no active or risky neighbors detected).

- Abuse Density: 0% (clean subnet).

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**4. Actionable Insights**

• SOC Recommendations:

1. Investigate Threat Lists: Verify if the IP’s inclusion in 8 sources is due to false positives or legitimate compromises.

2. Monitor Geolocation Discrepancy: Confirm if the "US" geolocation is an error, as the ISP is based in Argentina.

3. Check Mobile Carrier Logs: Validate if the IP is part of a legitimate mobile network or a misconfigured device.

4. Track BGP Activity: Monitor for unusual route changes or hijacks in AS22927.

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Conclusion:

The IP appears to be a legitimate mobile carrier infrastructure asset with no current malicious activity. However, its presence in multiple threat lists warrants further investigation to rule out misconfiguration or compromised devices. No immediate mitigation required, but continuous monitoring is advised.

Tools Used: `ipdebrief_profile`, `ipdebrief_history`, `ipdebrief_relationships`, `ipdebrief_neighbors`.

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