138.59.126.64📋 Copy

# IP Intelligence Briefing: 138.59.126.64

## Executive Summary

IP 138.59.126.64 presents a LOW RISK threat profile with a risk score of 25. The address is associated with a Brazilian residential/ISP provider with minimal observed threat indicators. No active malicious activity detected in recent observation windows.

---

## Threat Profile

Risk Assessment:

• Overall Risk Score: 25 (Low Risk)
• Reputation: Low Risk
• Provider Score: 0
• Authority Score: 0
• Abuse Confidence: Not elevated

Infrastructure Details:

• ASN: 61588
• Organization: DIGITAL PROVEDOR DE ACESSO A INTERNET LTDA
• Network Block: 138.59.124.0/22
• Country: Brazil (BR)
• Region: Mato Grosso do Sul, Campo Grande
• Geolocation Status: Flagged as implausible (geoPlausible: false)

Network Role:

• Service Purpose: Firewalled / No Services
• Open Ports: None detected
• Is Cloud/CDN/VPN/Proxy/Tor: False
• Classification: Residential/ISP endpoint

---

## Threat Indicators

Malicious Activity:

• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Blacklist Count: 0 (direct blacklists)
• DNSBL Listings: 1 of 8 lists (max severity: high)

Campaign Association:

• No known campaign correlations
• Zero certificate matches
• Zero correlated IPs

---

## Observed Behavior

Recent Activity Window:

• Observation Count: 17 signals
• Most Recent: 2026-07-30

DNS Resolution:

• PTR Hostname: 138-59-126-64.dynamic.digitalnetms.com.br
• Forward Resolution: Unconfirmed
• Hosted Domains: 0

Geolocation Anomalies:

• Distance to claimed location: 10,022.7 km
• Average RTT: 153.2 ms
• Violation: RTT 151.0 ms < minimum possible 200.5 ms for 10,023 km distance
• Probe Count: 5

---

## Network Neighborhood Analysis

Subnet: 138.59.126.64/24

• Abuse Density: 0
• Classification: Clean
• Total Siblings: 1
• Active/Threat Siblings: 0

Risk Distribution:

• High/Medium/Low Risk Neighbors: 0 each

---

## Relationship Graph

Connected Entities:

• Same Network (248170): Multiple associations
• DNS Associations: 138-59-126-64.dynamic.digitalnetms.com.br (multiple entries)

No external organizational or hostname relationships beyond network infrastructure.

---

## Recommended Actions

Firewall/Security Recommendations:

• No specific blocking actions recommended based on current risk profile
• Risk score (25) below threshold for automated blocking
• Monitor for DNSBL listing changes due to high-severity listing

SOC Analyst Guidance:

• Maintain monitoring on this IP given DNSBL listing presence
• Investigate geo-location discrepancy if traffic originates from this IP
• No immediate threat action required; treat as benign ISP endpoint

---

## Conclusion

IP 138.59.126.64 is a low-risk Brazilian ISP address with no active threat indicators. The single DNSBL listing with high severity warrants monitoring but does not warrant immediate blocking. Geographic validation anomalies suggest measurement or routing inconsistencies rather than malicious activity. Continue passive observation until risk profile changes.

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