5.167.67.56📋 Copy

## IP Intelligence Briefing: 5.167.67.56/32

Classification: Residential Endpoint • Risk Level: MODERATE-HIGH • Country: RU • Last Updated: 2026-06-24

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**Ownership & Network Context**

IP 5.167.67.56 is assigned to Network Operation Center CJSC ER-Telecom Holding Cheboksary branch (AS57026) in Cheboksary, Russia. The IP operates on a residential broadband connection within the 5.167.64.0/22 BGP prefix. DNS resolution confirms dynamic IP assignment (5x167x67x56.dynamic.cheb.ertelecom.ru), consistent with residential ISP PPPOE infrastructure.

**Threat Indicators**

• Risk Score: 49 (Moderate-High)
• Known Attacker: YES
• Blacklist Status: Listed on 1 source (blocklist.de)
• Recent Threat Activity: 49 observations recorded, including 50+ pulse detections as of 2026-06-24
• Observation Confidence: 0.95 (High) for threat classification
• Reputation: Moderate Risk with confirmed threat indicators

**Behavioral Analysis**

The IP has demonstrated persistent threat activity with 49 total observations. Recent signal analysis from mid-June 2026 shows consistent malicious behavior patterns. The IP is not classified as Tor exit node, spam source, or CDN infrastructure, but IS flagged as a known attacker in threat feeds.

**Network Neighborhood Assessment**

Subnet 5.167.67.0/24 analysis reveals:

• Abuse Density: Low (0.0)
• Risk Distribution: 70% medium risk, 30% low risk among neighbors
• Total Analyzed: 100 neighboring IPs
• Notable Pattern: Most adjacent IPs (5.167.67.0–5) show risk scores of 25 with authority scores of 50, suggesting the target IP 5.167.67.56 is an outlier in threat activity within its subnet

**Infrastructure Relationships**

IP is associated with 325 relationship entities, primarily network-level connections to ERTH-CHEB-PPPOE-22-NET. This indicates membership in a larger residential network infrastructure block operated by ER-Telecom Holding.

**Recommended Security Actions**

1. Block at perimeter firewall – Known attacker with confirmed threat indicators

2. Monitor for lateral movement – Part of residential ISP infrastructure; potential botnet or compromised endpoint

3. Correlate with other blocklist entries – Currently listed on 1 threat feed; monitor for additional listings

4. Apply strict rate limiting – Residential endpoint showing persistent threat behavior

**Intelligence Summary**

5.167.67.56 is a residential IP address from Cheboksary, Russia, operating on ER-Telecom infrastructure. While the broader subnet shows low abuse density, this specific IP demonstrates persistent malicious activity with high-confidence threat detections. The IP is flagged as a known attacker and appears as an outlier within its network segment. Immediate blocking is recommended for defensive security posture.

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Sources: IPDebrief Intelligence Platform • Data compiled 2026-06-24

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