145.90.106.69📋 Copy

# IP Intelligence Briefing: 145.90.106.69

Classification: Dormitory Network IP — Low Active Threat Profile

Risk Score: 50 (Moderate)

Report Date: 2026-07-30

Analyst: IPDebrief Intelligence

---

## 1. Executive Summary

IP 145.90.106.69 is a residential dormitory network address associated with the University of Utrecht (UU-dormitory-net) in Rotterdam, Netherlands. The IP exhibits moderate risk scoring (50) but currently demonstrates low active threat indicators. No open services, no known malicious campaigns, and a clean subnet classification. Recommend monitoring but no immediate blocking required unless additional threat signals emerge.

---

## 2. Ownership & Geolocation

---

## 3. Threat Assessment

Current Threat Indicators: None

• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0
• Abuse Confidence Score: Not available

Network Classification:

• Infrastructure Type: Firewalled / No Services
• Open Ports: None detected
• Cloud/CDN/Proxy: No
• Residential: Yes (dormitory network)

DNS Analysis:

• PTR Hostname: 69pc106.sshunet.nl
• Forward Resolution: Confirmed (69pc106.sshunet.nl)
• Email Auth: SPF enabled, DMARC not configured

---

## 4. Neighborhood & Contextual Risk

Subnet: 145.90.106.69/24

• Abuse Density: 0 (Clean)
• Active Siblings: 0
• Threat Siblings: 0
• Classification: Clean

Assessment: The IP resides in a dormitory subnet with no observed abuse. No adjacent IPs flagged as malicious. This suggests the moderate risk score (50) is baseline rather than indicative of active malicious behavior.

---

## 5. Historical Observations (17 Total)

Recent Activity Window: 2026-07-30

Signal History:

• Geolocation Signals: Consistent NL localization with plausible geo validation (155.3 km distance from claimed coordinates)
• Network Signals: Stable ownership, no ownership changes
• Behavioral Signals: No honeypot hits, no enumeration strikes
• Threat Persistence: 0 days (not persistently malicious)

Trend Analysis: Stable profile with no escalation of threat signals. The IP has shown consistent residential/network classification with no degradation in risk posture.

---

## 6. Related Entities

DNS Associations: 69pc106.sshunet.nl (multiple records)

Network Associations: UU-dormitory-net (multiple references)

Assessment: All relationships point to legitimate university dormitory infrastructure. No suspicious external connections or certificate associations detected.

---

## 7. Recommended Actions

Risk-Based Recommendations:

Note: Recommendations provided are probabilistic. Given the IP's dormitory network context and clean subnet classification, blocking may be overly restrictive. Consider:

• Monitor only if organization has strict residential IP policies
• Allow with logging to observe activity patterns
• Block only if specific threat indicators are confirmed

---

## 8. Analyst Assessment

Threat Level: LOW

Confidence: MEDIUM

IP 145.90.106.69 represents a dormitory network address with no active threat indicators. The moderate risk score (50) appears to be a baseline classification rather than indicative of malicious activity. The subnet is clean with no abuse density, and the IP shows no historical threat persistence.

Recommended SOC Actions:

1. Add to watchlist for trend monitoring

2. No immediate blocking required

3. Investigate only if additional threat signals emerge

4. Consider organizational policy regarding residential IP traffic

Next Review: Monitor for changes in threat indicators or subnet abuse patterns.

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