103.153.130.59📋 Copy

# Intelligence Briefing: IP 103.153.130.59

Date: Current Analysis Period

Classification: Low Risk / Monitoring

Status: Clean - No Active Threats Detected

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## EXECUTIVE SUMMARY

IP address 103.153.130.59 is classified as Low Risk with a risk score of 25/100. The address belongs to the GLOBAL3-BD network under ASN 140923. No active threat indicators, malware signatures, or malicious campaign associations were identified during comprehensive analysis. The IP shows no evidence of hosting malicious services, though the subnet exhibits minimal operational activity.

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## NETWORK OWNERSHIP & GEOLLOCATION

• ASN: 140923 (Global Link administrator)
• Organization: GLOBAL3-BD
• CIDR Block: 103.153.130.0/24
• RIR: APNIC
• Geolocation: Bangladesh (BD)
• Reported City: Hong Kong
• Geographic Discrepancy: Location data indicates Bangladesh ASN registration but coordinates map to Hong Kong (23.7°N, 90.37°E). This requires validation through additional geolocation sources.

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## THREAT ASSESSMENT

Current Risk Profile

• Risk Score: 25 (Low)
• Abuse Confidence Score: Not applicable
• Reputation Status: Clean
• Blacklist Count: 0
• Known Campaign Associations: None

Threat Indicators

• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Malware Distribution: No evidence
• DDoS Source: No evidence

Control Plane Analysis

• DNSSEC Valid: Yes
• DNSBL Listed: 1 out of 8 total lists
• Operator Score: 0.1304 (Minimal)
• Route Stability: Not stable
• MoAS Status: False
• IRR Consistency: Not verified

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## NETWORK SERVICES & PORTS

• Open Ports: None detected
• Service Purpose: Firewalled / No Services
• TLS Certificates: None
• HTTP Services: None
• Email Authentication: No SPF or DMARC records configured
• Forward Resolution: No DNS records

The IP appears to be actively firewalled or host-based, with no publicly accessible services. This is consistent with a residential or low-traffic infrastructure allocation.

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## SUBNET ANALYSIS (103.153.130.0/24)

• Total Siblings: 10
• Active Siblings: 2
• Threat Siblings: 0
• Subnet Abuse Density: 0 (Clean)
• Subnet Classification: Clean

Neighbor Risk Distribution

All neighboring IPs in the /24 subnet show low to zero risk scores:

• 9 neighbors with risk score: 0
• 1 neighbor with risk score: 25
• Authority scores: 50 across all neighbors

The subnet demonstrates clean operational characteristics with minimal abuse indicators.

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## OBSERVATION HISTORY

Total Observations: 14

Last Observed: 2026-07-27

Recent Signal Activity

• ICMP: Blocked - Unable to validate (confidence 0.50)
• Port Scan: Multiple ports scanned but no open services detected (confidence 0.70)
• DNS: No forward resolution activity (confidence 0.85)
• Network Role: Not cloud, CDN, VPN, proxy, or hosting (confidence 0.30)
• Ownership: Confirmed as GLOBAL3-BD (confidence 0.90)

Temporal Indicators

• Ownership Changes: 0
• Threat Persistence Days: 0
• Persistently Malicious: No
• Average Ownership Duration: Not established

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## RELATIONSHIP MAPPING

Two relationship entities identified:

• Same Network: GLOBAL3-BD (appears twice in relationship graph)

No additional connections to related hostnames, organizations, or certificates were discovered.

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## RECOMMENDED ACTIONS

Based on current risk profile, no immediate blocking or filtering actions are required. However, the following monitoring considerations apply:

1. Geographic Validation: Investigate location discrepancy between Bangladesh ASN and Hong Kong coordinates

2. Passive Monitoring: Continue observation of subnet activity (103.153.130.0/24)

3. DNSBL Watch: Monitor 1 out of 8 DNSBL lists for potential escalation

4. Route Stability: Track BGP route changes for this prefix

Firewall Recommendations

No specific firewall rules generated. Standard allow-by-default policies apply unless additional threat signals emerge.

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## INTELLIGENCE CONCLUSION

IP 103.153.130.59 presents a low-risk operational profile with no active malicious indicators. The address is part of a clean subnet (103.153.130.0/24) with minimal abuse density. While the IP is currently firewalled with no accessible services, the geographic location discrepancy warrants periodic validation. No immediate defensive action is required; maintain passive monitoring for any behavioral changes.

Priority: LOW

Action: Continue Monitoring

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