5.167.71.145📋 Copy

# IP Intelligence Briefing: 5.167.71.145

Classification: Moderate Risk Residential Endpoint

Date: 2026-06-25

Analyst: IPDebrief Intelligence

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## Executive Summary

IP 5.167.71.145 is a residential endpoint in Cheboksary, Chuvash Republic, Russia, operating under ER-Telecom Holding ASN 57026. The IP presents a moderate risk profile (score: 40) with no active threat indicators, but operates within a high-abuse-density subnet environment. No malicious campaigns or blacklisting detected.

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## Ownership & Network Context

The IP belongs to ERTH-CHEB-PPPOE-22-NET, a large residential subscriber network with 409+ related connections identified in the relationship graph.

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## Risk Profile

• Overall Risk Score: 40 (Moderate Risk)
• Abuse Confidence Score: Not available
• Threat Indicators: None detected
• Blacklist Status: 0 blacklists
• Known Attacker: No
• Spam Source: No
• Tor Exit: No

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## Neighborhood Analysis

Subnet: 5.167.71.0/24

Risk distribution across monitored neighbors:

• High Risk: 0
• Medium Risk: 41
• Low Risk: 59

The subnet exhibits elevated abuse density despite the target IP having no direct threat indicators. This contextual risk warrants enhanced monitoring.

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## Technical Observations

DNS Resolution:

• PTR: 5x167x71x145.dynamic.cheb.ertelecom.ru
• Forward Resolution: Confirmed (1 hostname)
• Email Auth: SPF and DMARC records present

Services:

• Open Ports: None detected
• TLS Certificates: None
• HTTP Services: None

Control Plane:

• Route Stability: Stable (5,435+ days)
• RPKI State: Unknown
• DNSBL Listings: 1 of 8 total lists

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## Historical Analysis

• Total Observations: 58
• Threat Persistence: No persistent malicious activity detected
• Recent Signals (June 2026):

- Geolocation: RU (52% confidence)

- CAA/FrDNS: Minimal labels

- Operator Score: 0

No escalation in threat profile observed over recent observation period.

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## Recommended Actions

Firewall/Blocking:

• Recommendation: Monitor rather than block
• Rationale: Moderate risk score with no direct threat indicators
• Context: Consider subnet-level awareness due to high-abuse-density classification

Monitoring Priority: Medium

• No immediate blocking required
• Enhanced logging recommended for outbound traffic patterns
• Monitor for any changes in threat indicators

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## Conclusion

IP 5.167.71.145 represents a legitimate residential endpoint with moderate contextual risk stemming from its subnet environment. No evidence of active malicious use. Recommend monitoring with awareness of elevated neighborhood abuse density, but no immediate defensive actions required.

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