16.78.23.247📋 Copy

# INTELLIGENCE BRIEFING: 16.78.23.247/32

## EXECUTIVE SUMMARY

IP address 16.78.23.247 is a cloud infrastructure endpoint operating within Amazon Web Services Jakarta (ap-southeast-3) region. The IP carries a moderate risk score of 50 with no active threat indicators. No services are publicly exposed, and the endpoint is properly firewalled. Historical data shows DNS blacklist presence on 2 of 8 threat intelligence feeds with high severity ratings.

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## INFRASTRUCTURE PROFILE

Ownership: Amazon Data Services Jakarta (AMAZON-CGK)

ASN: 16509 | Network Block: 16.78.0.0/16

Geolocation: Jakarta, Indonesia (ID)

Infrastructure Type: CloudCompute (AWS EC2)

Service Status: Firewalled / No Services Detected

Network Classification: Cloud Provider Infrastructure

The IP resolves to hostname `ec2-16-78-23-247.ap-southeast-3.compute.amazonaws.com` with forward DNS resolution confirmed. PTR records align with expected AWS naming convention for the ap-southeast-3 (Jakarta) region.

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## RISK ASSESSMENT

Overall Risk Score: 50 (Moderate Risk)

Threat Indicators: None

Blacklist Status: Listed on 2 of 8 threat intelligence feeds

Abuse Confidence Score: Not applicable (cloud infrastructure)

Risk Factors:

• DNS blacklist presence (2 listings, high severity)
• Historical geo inconsistencies between probe data and registered location
• Moderate risk classification based on control plane metrics

Mitigating Factors:

• No open ports or active services detected
• No known attacker campaigns or threat feed associations
• Not identified as Tor exit node, proxy, or residential endpoint
• Standard AWS security posture with proper firewalling

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## OBSERVATION HISTORY

Total observations: 19 signals collected across monitoring period

Key Historical Events:

• 2026-08-05 02:26:53 DNS blacklist activity detected across 8 lists (2 listings, high severity)
• 2026-08-05 02:28:11 Traceroute anomalies observed (30 hops, target not reached)
• 2026-08-05 02:26:36 Geo validation inconsistencies (US coordinates claimed vs. Indonesia registration)

Temporal analysis indicates no persistent malicious activity. The IP shows zero threat persistence days and zero correlation to known campaigns.

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## NETWORK NEIGHBORHOOD

Subnet: 16.78.23.247/24

Abuse Density: 0.0

Neighbor Count: 0 active siblings detected

No adjacent IPs in the /24 subnet exhibit elevated risk profiles or abuse indicators. The subnet demonstrates clean security posture typical of AWS infrastructure.

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## RELATIONSHIP MAPPING

The IP maintains associations with:

• DNS Hostnames: ec2-16-78-23-247.ap-southeast-3.compute.amazonaws.com (multiple associations)
• Network: AMAZON-CGK (16.78.0.0/16)
• No external organizational or certificate relationships detected

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## RECOMMENDED ACTIONS

Given the moderate risk profile and blacklist presence, the following firewall rules are recommended for defensive posture:

Note: These recommendations are probabilistic and should be combined with other security signals before implementation.

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## ANALYST NOTES

This IP represents standard AWS cloud infrastructure with no active threat indicators. The blacklist presence warrants monitoring but does not indicate active exploitation. The moderate risk score primarily reflects DNS reputation data rather than active malicious behavior. Continue monitoring for changes in service exposure or threat feed associations.

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