122.107.128.64📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 122.107.128.64/32

Date: July 18, 2026

Classification: Low Risk / Residential Mobile Endpoint

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## Executive Summary

IP 122.107.128.64 is a residential mobile endpoint associated with Optus Australia (ASN 4804) in Newcastle, NSW. The IP presents a low-risk profile (risk score: 25) with no active threat indicators. Historical analysis shows one high-severity DNSBL listing recorded during recent observation. No malicious activity or persistent threat behavior has been identified.

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## Network Profile

DNS Resolution: n122-107-128-64.sbr2.nsw.optusnet.com.au

Status: Forward resolution confirmed

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## Threat Assessment

Current Indicators

• Blacklist Count: 0 active blacklists
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Abuse Confidence Score: Not applicable (residential mobile)

DNSBL Status

• Lists: 1 of 8 total DNSBL lists
• Max Severity: High
• Route Stability: Unstable (isRouteStable: false)

Service Exposure

• Open Ports: None detected
• TLS Certificate: None
• HTTP Service: None
• Banner Grab: No banner captured

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## Historical Analysis

Observation Count: 17 signals recorded

Key Historical Events:

• 2026-07-18 14:25:05: DNSBL listing detected (high severity)
• 2026-07-18 14:25:02: ASN 4804 confirmed (MPX-AS - Microplex PTY LTD, AU)
• 2026-07-18 14:25:03: DNSSEC validation confirmed (valid)

Temporal Metrics:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Persistently Malicious: No
• Threat Observation Count: 0

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## Network Relationships

DNS Associations:

• n122-107-128-64.sbr2.nsw.optusnet.com.au (x2 records)

Network Affiliations:

• OPTUSINTERNET-AU (x2 records)

No external entity links detected beyond DNS and network infrastructure associations.

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## Neighborhood Analysis

Subnet: 122.107.128.64/24

Neighbor Count: 0

Abuse Density: 0

Risk Distribution:

• High Risk: 0
• Medium Risk: 0
• Low Risk: 0

No neighboring IPs detected in the immediate /24 subnet.

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## Recommended Actions

Based on the low-risk residential mobile profile:

1. Monitoring: Continue standard residential IP monitoring

2. Firewall Rules: No blocking required; allow standard residential traffic

3. Threat Hunting: No active threats identified

4. Alert Thresholds: Configure alerts for DNSBL changes or new threat indicators

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## Intelligence Conclusion

IP 122.107.128.64 represents a standard residential mobile endpoint with minimal threat characteristics. The single DNSBL listing observed during recent observation requires no immediate action given the residential/mobile context. No evidence of malicious activity, command and control infrastructure, or persistent threat behavior. SOC teams may monitor for DNSBL status changes but no immediate blocking or investigation actions are warranted.

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