185.247.137.145📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 185.247.137.145/32

Classification: Low Risk | Risk Score: 25/100

Date: Current Assessment

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## EXECUTIVE SUMMARY

IP 185.247.137.145 is classified as Low Risk (25) with no active threat indicators. The address resolves to a reverse DNS hostname associated with Internet Measurement Labs infrastructure. The IP operates within a /24 subnet showing mixed classification with moderate abuse density. No open services detected; the host appears firewalled or unresponsive to common port scans.

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## OWNERSHIP & GEOLOCATION

• Organization: Driftnet Hostmaster (ASN: 211298)
• Country: Great Britain (GB) / England
• City: Manchester
• RIR: RIPE
• CIDR Block: 185.247.137.0/24 (BGP Origin)
• Reverse DNS: r4-145-91.monitoring.internet-measurement.com

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## THREAT POSTURE

• Abuse Confidence: None documented
• Known Attacker: False
• Spam Source: False
• Tor Exit Node: False
• Blacklist Count: 0
• DNSBL Listed: 1 of 8 lists
• Campaign Correlation: None detected

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## NETWORK INFRASTRUCTURE

• Open Ports: None detected
• HTTPS/TLS: No certificates
• Service Purpose: Firewalled / No Services
• IP Classification: Not CDN, not Cloud, not Hosting, not Proxy, not Mobile
• Network Stability: Route changes observed in past 30 days; not stable MoAS

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## NEIGHBORHOOD ANALYSIS (185.247.137.0/24)

• Total Subnet Siblings: 219
• Active Siblings: 88
• Threat Siblings: 74
• Abuse Density: 0.3379 (Moderate)
• Inherited Risk: 13
• Risk Distribution: High (0) | Medium (38) | Low (62)

The /24 subnet shows mixed classification with notable threat sibling concentration. Seven percent of active siblings are classified as threats, warranting contextual awareness during broader subnet analysis.

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## OBSERVATION HISTORY

Total observations: 19

• Recent Listing Activity: June 2026 – 2 of 8 blacklist listings (High severity)
• Geolocation Signals: Consistent GB/Manchester attribution (0.52 confidence)
• Operator Score: 0.2609 (Basic)
• Threat Persistence: None observed (0 days)

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## RELATIONSHIP GRAPH

Total relationships: 43

• Network Associations: UK-DRIFTNET-20180301 (multiple links)
• DNS Associations: r4-145-91.monitoring.internet-measurement.com
• Additional: 38 pending relationships (organizations, certificates, etc.)

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## SECURITY ACTIONS

Recommendations: No specific firewall rules generated due to low risk profile and absence of open services. Standard monitoring applies.

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## INTELLIGENCE JUDGMENT

This IP represents a low-risk infrastructure asset under Driftnet Hostmaster with legitimate measurement/monitoring DNS associations. The subnet environment shows elevated threat sibling activity, but this specific address remains clean. Recommend monitoring the /24 subnet for emerging threat patterns while treating 185.247.137.145 as benign traffic source.

Priority: LOW | Action: Monitor

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