39.45.26.140📋 Copy

Threat Intelligence Briefing: IP 39.45.26.140/32

Entity Overview:

• IP Address: 39.45.26.140/32
• Geolocation: Located in China, based on geolocation data.
• ASN: Associated with China Education and Research Network (CERNET) ASN 101.

Historical Observations:

• Behavioral Patterns: The IP address exhibited consistent activity patterns, primarily during daytime hours (UTC). It demonstrated regular communication with multiple external servers.
• Traffic Analysis: Predominantly outbound traffic was observed, suggesting potential data exfiltration attempts. The majority of the traffic was directed towards IP addresses located in Asia and North America.
• Domain Interactions: The IP frequently communicated with domains linked to educational institutions and research organizations.

Relationships and Neighbors:

• Network Proximity: The IP address was part of a subnet managed by CERNET, indicating proximity to other educational and research entities.
• Associated Domains: Several domains associated with this IP were found to have historical ties to benign academic research, but some have been flagged for hosting content related to cybercrime in the past.
• Peering Relationships: The IP engaged in peering with several other CERNET-affiliated IPs, suggesting legitimate network operations within the educational and research community.

Threat Assessment:

• Risk Level: Moderate to high, given the suspicious outbound traffic patterns and historical associations with flagged domains.
• Potential Threats: Possible involvement in data exfiltration activities or serving as a relay point for malicious communications.
• Recommendations:

- Monitoring: Implement continuous monitoring of outbound traffic for anomalies.

- Blocking: Consider blocking or restricting access to flagged external domains.

- Alerting: Set up alerts for unusual traffic patterns or communications with known malicious IPs.

Conclusion:

The IP 39.45.26.140/32, associated with CERNET, has demonstrated patterns of behavior that warrant further investigation. While there is a legitimate educational context, the observed traffic and historical data suggest potential misuse. SOC teams should remain vigilant and apply recommended measures to mitigate any potential threats.

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