88.130.155.138📋 Copy

# IP Intelligence Briefing: 88.130.155.138

Classification: Moderate Risk

Date: 2026-07-28

Analyst: IPDebrief Intelligence Team

## Executive Summary

Target IP 88.130.155.138 is a German residential broadband address assigned to 1&1 Versatel GmbH. The address carries a moderate risk score (40/100) with evidence of DNS blacklist listings and route instability. No active threat indicators are currently observed.

## Network Ownership & Infrastructure

• ASN: 8881
• Organization: 1&1 Versatel GmbH
• Network: DE-VERSATEL-20051018
• CIDR Block: 88.130.0.0/16
• RIR: RIPE
• Country: Germany (DE)
• Region: Rheinland-Pfalz
• City: Andernach (coordinates: 51.17°N, 10.45°E)

## Threat Indicators

• Risk Score: 40 (Moderate)
• Threat Classification: None currently active
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Blacklist Count: 0 (real-time)
• DNSBL Listings: 2 of 8 total lists flagged
• Abuse Confidence Score: Not assigned

## Network Behavior & Services

• Service Status: Firewalled / No Services Detected
• Open Ports: None
• TLS Certificate: None
• PTR Resolution: Unresolved
• Forward DNS Resolution: Unresolved
• Email Auth: SPF and DMARC records absent

## Control Plane Data

• Route Stability: False (route changes observed)
• BGP Prefix: 88.130.144.0/20
• Origin ASN: 8881
• RPKI State: Not validated
• Operator Score: 0.1304 (Minimal)

## Neighborhood Analysis

The /24 subnet (88.130.155.0/24) contains 4 sibling IPs:

• Risk Distribution: 3 medium-risk (score 40), 1 low-risk (score 25)
• Abuse Density: 0
• Notable Neighbors:

- 88.130.155.76 (Risk: 40)

- 88.130.155.102 (Risk: 25)

- 88.130.155.116 (Risk: 40)

- 88.130.155.155 (Risk: 40)

## Historical Observations

11 observation signals recorded. Recent activity includes:

• Consistent ownership attribution to 1&1 Versatel GmbH
• Geo-location signals from multiple sources (Andernach, Dusseldorf)
• DNSBL listings observed (2 total, high severity noted)
• No persistent threat patterns detected

## Recommended Security Actions

Based on risk profile, the following defensive controls are recommended:

## Threat Intelligence Assessment

The IP address presents moderate risk primarily due to:

1. DNS blacklist presence (2 listings)

2. Route instability flags

3. Residential broadband nature (typically associated with compromised devices)

Recommended Priority: MEDIUM — Block at perimeter firewall level. Monitor for activity resurfacing.

---

*Intelligence generated by IPDebrief. For operational security decisions, correlate with additional threat feeds and context.*

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