87.78.157.162📋 Copy

# IP Intelligence Briefing: 87.78.157.162/32

## Executive Summary

IP 87.78.157.162 is a residential dial-in address from NetCologne (ASN 8422) in Cologne, Germany. The address presents a low-risk profile with no active threat indicators. No open services are exposed, and the neighborhood demonstrates zero abuse density.

## Ownership and Geolocation

• ISP Provider: Administrator Contact NetCologne
• Network: NC-DIAL-IN-POOL
• CIDR Block: 87.78.132.0/22
• Country: Germany (DE)
• Region: North Rhine-Westphalia
• City: Cologne (51.17°N, 10.45°E)
• ASN: 8422 (RIR: RIPE)

## Risk Assessment

• Overall Risk Score: 0 (Low Risk)
• Provider Score: 0
• Authority Score: 0
• Abuse Confidence Score: Not applicable
• Blacklist Count: 0

## Network Role and Services

• Classification: Residential dial-in pool
• Open Ports: None detected
• Service Purpose: Firewalled / No Services
• DNS PTR: xdsl-87-78-157-162.nc.de
• Forward Resolution: Confirmed (xdsl-87-78-157-162.nc.de)

## Threat Indicators

• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Campaign Matches: 0
• Correlated IPs: 0
• Threat Feeds: None detected

## Neighborhood Analysis

• Subnet: 87.78.157.162/24
• Abuse Density: 0
• Risk Distribution: No high, medium, or low-risk siblings identified
• Total Siblings: 0 detected in neighborhood scan

## Historical Observations

• Total Observations: 21 signals recorded
• Most Recent Activity: 2026-07-27
• Subnet Classification (Recent): mostly_clean
• Recent Abuse Density: 1 (low-level monitoring)
• Geolocation Confidence: Variable (0.40–0.70 confidence across signals)
• ISP Identification: NetCologne consistently identified (90% confidence)

## Control Plane and Routing

• BGP Prefix: 87.78.0.0/15
• Route Stability: Flagged as unstable (isRouteStable: false)
• RPKI State: Not evaluated
• IRR Consistency: Not evaluated
• Route Changes (30d): 0

## DNS and Email Authentication

• DNSSEC: Valid
• SPF Record: Not configured
• DMARC Record: Not configured
• Hosted Domains: None

## Security Recommendations

• Action: No immediate blocking required. The IP represents residential broadband infrastructure with no active threat indicators.
• Monitoring: Route stability flag may warrant periodic validation of BGP announcements for 87.78.0.0/15.
• Firewall Rules: No specific firewall rules recommended. Standard residential ISP traffic should be permitted.
• Investigation Priority: Low

## Conclusion

IP 87.78.157.162 is a standard residential dial-in address from NetCologne with no malicious activity detected. The zero risk score, absence of open ports, and clean neighborhood profile support continued monitoring rather than blocking. The route stability flag is the only notable anomaly and should be tracked during routine infrastructure reviews.

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