45.9.148.165📋 Copy

# INTELLIGENCE BRIEFING: 45.9.148.165

Classification: MODERATE RISK — Tor Exit Node Infrastructure

Date: Current Observation Period

Assigned Risk Score: 59/100

## EXECUTIVE SUMMARY

IP address 45.9.148.165 operates as a Tor exit node in Amsterdam, Netherlands. The asset exhibits elevated threat characteristics with Tor exit node functionality and blacklist listings. The /24 subnet demonstrates high abuse density (75%), suggesting concentrated malicious activity within the same network block.

## NETWORK ATTRIBUTES

## THREAT ASSESSMENT

Primary Indicators

• Tor Exit Node: Confirmed Tor exit node functionality
• Blacklist Status: Listed on 1 of 8 DNSBL feeds
• Maximum Severity: High
• Reputation: Moderate Risk

Service Profile

• Open Ports: 22/SSH, 80/HTTP, 443/HTTPS
• SSH Version: OpenSSH_10.0p2 Debian-7+deb13u4
• TLS: TLS 1.3 (TLS_AES_256_GCM_SHA384)
• Certificate Status: Self-signed TLS certificate detected

Control Plane Analysis

• BGP Prefix: 45.9.148.0/24
• AS Path: 57866 → 50673 → 49447
• Route Stability: Unstable (1 route change in 30 days)
• RPKI: State verification pending
• DNSSEC: Valid

## SUBNET ANALYSIS (45.9.148.0/24)

Abuse Density: 75% (High)

Threat Classification: Mostly Clean (with inherited risk of 7)

Known Risky Siblings:

Observation: Three medium-risk neighbors detected within the /24 subnet, indicating concentrated Tor exit node infrastructure.

## OBSERVATION HISTORY

Total Observations: 67 signals tracked

Recent Activity Timeline:

• 2026-08-12 04:51:11 UTC — Blacklist listing detected (High severity)
• 2026-08-12 01:58:30 UTC — Port scan activity (80, 443, 22)
• 2026-08-12 01:04:40 UTC — Routing/operator assessment (Score: 0.3)
• 2026-08-11 23:52:29 UTC — Blacklist listing detected (High severity)

Temporal Analysis: Consistent Tor exit node behavior observed with recurring blacklist activity. No ownership changes detected.

## RELATIONSHIP GRAPH

313 Related Entities Identified:

• Primary associations: NiceIT-NL network block (45.9.148.0/24)
• No certificate or hostname correlations with known threat campaigns
• No correlated IPs from known APT groups

## SECURITY RECOMMENDATIONS

Immediate Actions:

1. Block outbound connections to 45.9.148.0/24 subnet

2. Implement egress filtering for Tor exit node traffic

3. Monitor for inbound connections from this subnet (potential command-and-control)

Firewall Rules:

```

iptables -A INPUT -s 45.9.148.0/24 -j DROP

iptables -A OUTPUT -d 45.9.148.0/24 -j DROP

```

Detection Indicators:

• Monitor TLS certificate subjects: *.ky2h7w6m2v52.com, *.fivozemz7a7kaokm.net
• Watch for connections to ports 22, 80, 443 from this subnet
• Alert on Tor-related user agents and proxy headers

## CONCLUSION

IP 45.9.148.165 represents a confirmed Tor exit node with documented blacklist activity. The high abuse density of the parent /24 subnet (75%) indicates this infrastructure is part of a larger Tor node deployment. Defensive posture should include blocking egress to this subnet and monitoring for associated indicators. No active campaign correlations identified, but persistent Tor exit node function presents ongoing lateral movement risk.

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*Intelligence generated from IPDebrief automated analysis. For operational use, correlate with internal threat data and validate findings against local security context.*

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