185.153.231.45📋 Copy

# IP Intelligence Briefing: 185.153.231.45/32

Date: 2026-06-23

Classification: Moderate Risk

Analyst: IPDebrief Intelligence Team

## Executive Summary

IP address 185.153.231.45 is classified as a Moderate Risk (risk score: 50) originating from Turkey (TR). The address belongs to ASN 60721 (Furkan Sahin) and operates as a single-service host with SSH exposure. The IP has been observed with DNSBL listings totaling 8 lists, with 2 active listings. Neighborhood analysis indicates a low-abuse-density subnet (0.5 abuse density) with one lower-risk sibling IP (185.153.231.44, risk score 25).

## Technical Profile

## Threat Indicators

• DNSBL Status: Listed on 2 of 8 threat feeds
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Campaign Association: None identified
• Threat Persistence: No (0 threat observation days)

## Network Context

Subnet Analysis (185.153.231.0/24)

• Abuse Density: 0.5 (mostly_clean classification)
• Active Siblings: 2
• Threat Siblings: 1
• Inherited Risk Score: 2

Neighbor IP Assessment

• 185.153.231.44: Risk score 25, Authority score 50
• Risk Distribution: 1 low-risk, 0 medium-risk, 0 high-risk

## Observed Network Relationships

The IP has 37 relationship entries, predominantly "Same Network" associations linked to:

• SAHINNETWORK-INTERNET-BILISIM-HIZMETLERI
• SAHINNETWORK-INTERNET-BILISIM-HIZMETLERI-LIMITED-SIRKETI

## Historical Signal Timeline

Observations: 21 total signals recorded

Recent Activity (2026-06-23):

• DNSBL listings observed with high severity (8 total lists, 1 active listing)
• Control plane operator score: 0.1304 (minimal)
• Route stability: Unstable (isRouteStable: false)

Subnet Signals (2026-06-17):

• Abuse density: 0.5
• Classification: mostly_clean
• Inherited risk: 2

## Recommended Security Actions

Immediate Mitigation (Block Recommendation)

Based on the risk profile, the following firewall rules are recommended:

```bash

# iptables

iptables -A INPUT -s 185.153.231.45 -j DROP

# nftables

nft add rule inet filter input ip saddr 185.153.231.45 drop

# nginx

deny 185.153.231.45;

# pfSense

185.153.231.45/32

# Cloudflare WAF

{"description":"Block 185.153.231.45 — IPDebrief risk score 50","action":"block","filter":{"expression":"ip.src eq 185.153.231.45"}}

# AWS WAF

{"Addresses":["185.153.231.45/32"],"Description":"IPDebrief risk 50"}

```

## Risk Assessment Summary

The IP 185.153.231.45 presents a moderate risk profile suitable for defensive blocking. While the subnet shows low abuse density and the IP is not associated with known campaigns or persistent malicious activity, the presence of DNSBL listings and SSH exposure warrants restrictive firewall treatment. The neighborhood analysis supports a conservative approach, with the only sibling IP showing minimal risk (score 25).

Recommendation: Implement blocking rules at perimeter firewalls and WAF appliances. Monitor for any escalation in threat indicators or neighborhood activity patterns.

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