45.3.44.45📋 Copy

# IP Intelligence Briefing: 45.3.44.45/32

## Executive Summary

IP address 45.3.44.45 presents a moderate risk profile (50/100) with no confirmed malicious activity but notable DNSBL listings and geolocation inconsistencies. The IP operates as a single-service host within the 45.3.32.0/20 block owned by lir-de-3xktechgmbh-1-MNT.

## Technical Profile

Ownership & Network: ASN 200373, registered to network DE-3XKTECHGMBH-20150902 within the 45.3.32.0/20 block. Registration authority is ARIN.

Geolocation: Conflicting signals observed. Primary consensus indicates Germany (Schorfheide, 51.17°N, 10.45°E), though MaxMind Geolite2 detected Madrid, Spain (40.4153°N, -3.694°E). Geo validation flagged as implausible with 400km accuracy radius.

Network Classification: Single-service host, not classified as cloud, CDN, VPN, proxy, or hosting infrastructure.

Control Plane: BGP prefix 45.3.44.0/24. Route stability flagged as false with zero route changes in 30 days. RPKI state, IRR consistency, and MOAS status unavailable.

## Threat Indicators

Risk Assessment: Moderate risk score of 50. No evidence of known attacker reputation, Tor exit node, or spam source activity.

DNSBL Status: Listed on 2 of 8 queried DNSBLs with zero overall blacklist count.

Threat Feeds: No indicators in Pulsedive or other threat feeds. No known campaign associations.

Abuse Confidence: Not scored due to insufficient threat evidence.

## Service Analysis

Open Ports: Port 22/SSH open with banner indicating "Exceeded MaxStartups" limit.

TLS/HTTP: No TLS certificate detected. HTTP title, server banner, and certificate data unavailable.

DNS Records: No PTR hostnames. Forward DNS resolution not confirmed. Zero hosted domains. No SPF, DMARC, or TXT records present.

## Neighborhood Assessment

Subnet 45.3.44.0/24 contains 8 sibling IPs with abuse density of 0. Risk distribution shows 0 high-risk, 0 medium-risk, and 8 low-risk neighbors (scores 0-25). No inherited risk detected.

## Historical Signals

11 observations recorded as of 2026-07-31. Geo signals showed variation between Germany and Spain sources. Ownership signals consistently identified as lir-de-3xktechgmbh-1-MNT. No persistent malicious behavior detected (0 threat persistence days, 0 threat observation count).

## Relationships

Single relationship detected: same network association with DE-3XKTECHGMBH-20150902 network. No certificates, hostnames, or organizational links beyond network classification.

## Recommended Actions

Blocking rules generated for multiple platforms:

• iptables: `iptables -A INPUT -s 45.3.44.45 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 45.3.44.45 drop`
• nginx: `deny 45.3.44.45;`
• pfSense: 45.3.44.45/32
• Cloudflare WAF: Block with expression `ip.src eq 45.3.44.45`
• AWS WAF: Add 45.3.44.45/32 to address list

## Analyst Notes

The IP exhibits minimal operator score (0.1304) and DNSSEC validation. SSH port configuration suggests potential brute-force protection attempts. Geolocation inconsistencies warrant monitoring but do not confirm malicious activity. No immediate threat indicators present; however, DNSBL listings warrant periodic re-evaluation.

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