38.43.130.207📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 38.43.130.207/32

Classification: Low Risk / Customer Infrastructure

Date: Current Intelligence Cycle

Analyst: IPDebrief Intelligence Team

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## EXECUTIVE SUMMARY

IP 38.43.130.207 presents a low overall threat profile (Risk Score: 25/100) but exhibits notable DNS blacklist activity with high-severity listings. The IP is registered to NEXTNET S.A.C (ASN 271814) and operates as customer-facing infrastructure with no active services detected.

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## OWNERSHIP AND NETWORK ATTRIBUTES

• Organization: NEXTNET S.A.C
• CIDR Block: 38.43.128.0/19
• ASN: 271814 (NEXTNET-CGNT-NET-1)
• Geolocation: United States, Massachusetts (Boston)
• Registration: ARIN
• Network Role: Firewall / No Services
• BGP Prefix: 38.43.130.0/24

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## THREAT INDICATORS

• DNSBL Status: Listed on 1 of 8 DNSBLs with "high" severity rating
• Abuse Confidence Score: Not applicable (no active threat indicators)
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Blacklist Count: 1

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## DNS AND HOSTING INFORMATION

• PTR Hostname: customer-38-43-130-207.nubyx.pe
• Forward-Confirmed DNS: Yes
• Domain: nubyx.pe
• Forward Hostnames: 1
• Email Authentication: SPF record present (DMARC status: pending)
• CAAA Records: Present (3 issuers identified)

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## NETWORK BEHAVIOR AND TRACEROUTE

• Hop Count: 29
• First Hop RTT: 0.1ms
• Last Hop RTT: 129.6ms
• Timed Out Hops: 16
• Transit Networks: Comcast, Cogent
• Route Stability: Unstable (no route changes in 30 days)

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## OBSERVATION HISTORY (15 SIGNALS)

Recent intelligence signals indicate:

• DNS Resolution: Active forward resolution to customer hostname
• Geolocation Signals: Mixed geolocation data (US and Peru signals detected with low confidence)
• Blacklist Activity: Confirmed listing on multiple DNSBLs (8 total, 1 high-severity)
• Ownership Stability: No ownership changes detected
• Threat Persistence: No persistent malicious activity observed

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## SUBNET ANALYSIS (38.43.130.0/24)

• Total Sibling IPs: 0
• Active Siblings: 0
• Threat Siblings: 0
• Abuse Density: 0
• Classification: Residential/ISP Customer

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## RELATIONSHIP GRAPH

• DNS Association: customer-38-43-130-207.nubyx.pe
• Network Association: NEXTNET-CGNT-NET-1

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## RECOMMENDED ACTIONS

Current Risk Assessment: Low Risk (Score: 25/100)

• No Immediate Firewall Rules Required: No active threat indicators warranting blocking
• Monitoring Recommended: Continue monitoring DNSBL status due to high-severity listing
• Investigation Trigger: Review if domain nubyx.pe aligns with expected organizational infrastructure
• Geolocation Discrepancy: Investigate conflicting geolocation signals (US vs Peru) if operational context requires accuracy

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## INTELLIGENCE CONCLUSION

IP 38.43.130.207 represents customer-facing infrastructure for NEXTNET S.A.C with minimal active threat indicators. The single high-severity DNSBL listing warrants awareness but does not currently indicate active malicious activity. No immediate defensive action required beyond standard monitoring.

Confidence Level: Medium (based on DNSBL listing severity and geolocation inconsistencies)

Recommended Priority: LOW

Review Cycle: Monthly or upon DNSBL status change

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*Generated by IPDebrief Intelligence Platform*

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