5.167.70.108📋 Copy

# INTELLIGENCE BRIEFING: 5.167.70.108/32

## Executive Summary

IP address 5.167.70.108 is classified as a Moderate Risk (score: 49) residential endpoint located in Cheboksary, Russia. The IP has been identified as a known attacker and is listed on one major blocklist (blocklist.de). Current intelligence indicates suspicious activity indicators warranting blocking or rate-limiting at the network edge with High severity.

## Technical Profile

• Risk Score: 49 (Moderate Risk)
• Ownership: ASN 57026 — Network Operation Center CJSC ER-Telecom Holding Cheboksary branch
• Geolocation: Russia, Chuvash Republic, Cheboksary (coordinates validated within 5,000 km accuracy radius)
• Network Classification: Residential Endpoint
• DNS: 5x167x70x108.dynamic.cheb.ertelecom.ru (forward resolution confirmed)
• Control Plane: Origin ASN 57026, BGP prefix 5.167.68.0/22, route stability flagged as unstable

## Threat Indicators

• Known Attacker Status: TRUE
• Tor Exit Node: FALSE
• Spam Source: FALSE
• Blacklist Count: 1 (blocklist.de)
• DNSBL Listed: 1 of 8 total lists
• Threat Feeds: No active campaign correlations identified

## Neighborhood Analysis

The IP resides in subnet 5.167.70.0/24 with the following characteristics:

• Total Subnet Siblings: 256
• Active Siblings: 174
• Threat Siblings: 97
• Subnet Abuse Density: 0.3789
• Risk Classification: Mixed
• Inherited Risk Score: 15

Neighboring IP analysis shows a risk distribution of 0 high, 44 medium, and 56 low-risk addresses. The subnet demonstrates moderate abuse concentration consistent with residential ISP infrastructure.

## Observation History

Total of 51 signal observations recorded. Recent activity observed on 2026-06-24 with subnet-level abuse density persisting at 0.3789. Operator score labeled "Minimal" across recent probes. No evidence of persistent malicious behavior; threat persistence days: 0.

## Network Relationships

334 relationship entities identified, primarily classified as "Same Network" associations to ERTH-CHEB-PPPOE-22-NET network block.

## Recommended Security Actions

Based on risk profile and activity indicators, the following actions are recommended:

Primary Recommendation: Block or rate-limit this IP at the network edge (Severity: High)

Firewall Rules:

• iptables: `iptables -A INPUT -s 5.167.70.108 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 5.167.70.108 drop`
• nginx: `deny 5.167.70.108;`
• pfSense: `5.167.70.108/32`
• Cloudflare WAF: Block with expression `ip.src eq 5.167.70.108`
• AWS WAF: Add `5.167.70.108/32` to rule set

## Intelligence Assessment

This IP represents a residential endpoint with confirmed attacker status and blacklist presence. While not part of a coordinated campaign, the known attacker designation combined with blocklist enumeration and subnet abuse density suggests this address should be blocked or heavily rate-limited. The residential classification and ER-Telecom infrastructure indicate legitimate ISP-originated traffic that may be compromised. Monitoring of related IPs in the 5.167.70.0/24 subnet is recommended given the 97 threat-identified siblings.

*Analysis completed: 2026-06-24*

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