45.148.10.159📋 Copy

# IP Intelligence Briefing: 45.148.10.159/32

Classification: Moderate Risk

Date Generated: 2026-06-23

Analyst: Automated Intelligence System

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## Executive Summary

IP address 45.148.10.159 was assessed with a moderate risk score of 55/100. The address belongs to ASN 48090 (ABUSE DEP) and is situated within a high-abuse subnet (45.148.10.0/24) showing elevated abuse density of 0.5106. The IP is classified as firewalled with no active services detected, though it maintains presence on three DNS blacklist feeds.

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## Risk Profile

The target IP maintained a reputation classification of "Moderate Risk" with a risk score of 55. Provider and authority scores were not applicable (0), and stability metrics remained uncomputed. The IP is not identified as a Tor exit node, known attacker, or spam source. No active threat indicators or campaign correlations were detected.

Key Risk Indicators:

• Risk Score: 55/100
• DNSBL Listings: 3/8 total feeds
• Operator Score: 0.1304 (Minimal)
• Route Stability: False (routing anomalies detected)
• Abuse Confidence: Not scored

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## Geographic and Network Context

Geolocation data indicated Romania (RO) with coordinates 45.94, 24.97, though geo-plausibility validation returned false. The IP resolved to Amsterdam region with a 300km accuracy radius. The control plane analysis identified BGP prefix 45.148.10.0/24 with origin ASN 48090.

Network Classification:

• ASN: 48090 (ABUSE DEP)
• RIR: ARIN
• CIDR Block: 45.148.10.0/24
• Service Purpose: Firewalled / No Services
• Is Cloud: False
• Is CDN: False

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## Subnet Neighborhood Analysis

The /24 neighborhood (45.148.10.0/24) demonstrated significant abuse characteristics:

• Total Siblings: 47 IPs
• Active Siblings: 39 IPs
• Threat Siblings: 24 IPs (51% of active)
• Abuse Density: 0.5106
• Risk Classification: High Abuse

Risk distribution across the subnet: 23 high-risk, 21 medium-risk, 4 low-risk addresses. Notable neighbors included 45.148.10.21 and 45.148.10.25 (both risk score 80), indicating clustering of malicious activity.

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## Temporal Analysis

Observation history recorded 19 total signal observations spanning June 2026. Recent signals included:

• 2026-06-23: Ownership and reputation signals at 0.23-0.30 confidence
• 2026-06-18: Subnet abuse density signal (0.75 confidence), service scan (0.70 confidence), geolocation signal (0.35 confidence)

The IP is not persistently malicious (0 threat persistence days, 1 threat observation count). Ownership remained stable with 0 changes recorded.

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## Relationship Graph

The relationship analysis returned 16 relationships, all categorized as "Same Network" with target value "DMZHOST". These relationships indicate the IP shares network infrastructure with 16 additional DMZ-hosted addresses.

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## Recommended Actions

Immediate Actions:

1. Increase logging verbosity and review recent activity from this IP (High severity)

2. Implement blocking at perimeter defenses

Firewall Rules:

• iptables: `iptables -A INPUT -s 45.148.10.159 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 45.148.10.159 drop`
• nginx: `deny 45.148.10.159;`
• pfSense: `45.148.10.159/32`
• Cloudflare WAF: Block with expression `ip.src eq 45.148.10.159`
• AWS WAF: Address: 45.148.10.159/32

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## Intelligence Assessment

The IP 45.148.10.159 represents moderate risk with elevated contextual threat due to high-abuse subnet density. While no active services or direct threat indicators were observed, the neighborhood context (51% threat siblings) warrants defensive blocking. The absence of open services suggests the IP may be used for command-and-control or as a dormant infrastructure component.

Recommendation: Block at perimeter with monitoring enabled. Consider implementing subnet-level filtering for 45.148.10.0/24 given the high-abuse classification and 24 threat-sibling addresses.

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