5.167.67.18📋 Copy

IP INTELLIGENCE BRIEFING: 5.167.67.18/32

1. EXECUTIVE SUMMARY

IP 5.167.67.18 is a residential endpoint located in Cheboksary, Russia, operated by ER-Telecom Holding. The address carries a moderate risk score of 40 (1-100 scale) and is part of a high-abuse subnet (5.167.67.0/24) with elevated neighbor risk scores. The IP exhibits residential network characteristics with no known malicious indicators but requires monitoring due to neighborhood abuse density.

2. OWNERSHIP & GEOLOCATION

• Organization: Network Operation Center CJSC ER-Telecom Holding Cheboksary branch
• ASN: 57026 (ERTelecom)
• Location: Cheboksary, RU (Russia)
• CIDR Block: 5.167.64.0/22
• RIR: Ripe
• Registration: Provider network (not end-user)

3. NETWORK CHARACTERISTICS

• Network Role: Residential endpoint
• Infrastructure Type: Residential
• DNS: 5.167.67.18.dynamic.cheb.ertelecom.ru
• PTR Hostnames: ertelecom.ru domain
• Service Purpose: Residential Endpoint
• Not classified as: Tor, CDN, Cloud, Proxy, or Hosting infrastructure

4. THREAT PROFILE

• Risk Score: 40/100 (Moderate Risk)
• Abuse Confidence Score: Not available
• Blacklist Count: 0
• Known Campaigns: None detected
• Threat Indicators: None currently flagged
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No

5. SUBNET NEIGHBORHOOD ANALYSIS

• Subnet: 5.167.67.0/24
• Abuse Density: 1.0 (High Abuse Classification)
• Total Siblings: 256
• Active Siblings: 178
• Inherited Risk: 40
• Neighbor Risk Distribution: 100 medium-risk neighbors observed
• Risk Pattern: Consistent risk scoring (40) across sibling IPs indicates systemic subnet-level activity

6. OBSERVATION HISTORY

• Total Observations: 47
• Recent Activity: Multiple threat signals detected on 2026-06-24 with 0.95 confidence
• Threat Persistence: 0 days (transient)
• Operator Score: 0.1304 (Minimal)
• Signal Variability: Historical data shows mixed signals including threat indicators and minimal operator scores

7. RELATIONSHIP GRAPH

• Total Relationships: 334
• Primary Associations: ERTH-CHEB-PPPOE-22-NET network relationships
• Network Classification: PPPOE residential network segment

8. RECOMMENDED ACTIONS

Based on risk profile and neighborhood context:

Firewall Rules:

```

iptables -A INPUT -s 5.167.67.18 -j DROP

nft add rule inet filter input ip saddr 5.167.67.18 drop

```

WAF/Cloud Rules:

• Cloudflare WAF: Block IP with risk score 40
• AWS WAF: Block 5.167.67.18/32

Risk Assessment: Monitor for suspicious activity but do not block definitively without corroborating signals. The IP lacks active threat indicators but operates within a high-abuse subnet.

9. INTELLIGENCE NARRATIVE

IP 5.167.67.18 represents a residential endpoint within ER-Telecom's Cheboksary network infrastructure. The moderate risk score (40) combined with high-abuse subnet classification warrants defensive monitoring. While no active threat indicators are present, the neighborhood context shows consistent medium-risk scoring across 178 active siblings. The IP's transient threat observation count and minimal operator score suggest intermittent activity patterns. SOC analysts should treat this IP with elevated caution in inbound traffic analysis, particularly when originating from the 5.167.67.0/24 subnet block.

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*Report generated: Intelligence analysis based on IPDebrief platform data. Verify with additional signals before implementing blocking actions.*

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