5.167.68.143📋 Copy

# IP Intelligence Briefing: 5.167.68.143

Classification: MODERATE RISK — RESIDENTIAL ENDPOINT

Date of Analysis: Current

Analysis Source: IPDebrief Intelligence Platform

---

## Executive Summary

IP address 5.167.68.143 is a residential endpoint associated with ERTelecom Holding (ASN 57026) in Cheboksary, Russia. The IP carries a risk score of 40, classified as "Moderate Risk." While individual threat indicators are absent, the IP operates within a /24 subnet showing elevated abuse density. The address is associated with residential PPPoE network infrastructure and has been flagged on one DNSBL list.

---

## Threat Profile

---

## Network Context

Subnet Analysis (5.167.68.0/24):

• Total Siblings: 256 IPs
• Active Siblings: 162
• Abuse Density: High
• Classification: high_abuse

Neighbor Risk Distribution:

• High Risk: 0 IPs
• Medium Risk: 100 IPs
• Low Risk: 0 IPs
• Notable neighbor IPs show risk scores of 40-49, indicating concentrated risk within the subnet.

---

## Technical Indicators

DNS Resolution:

• PTR Hostname: 5x167x68x143.dynamic.cheb.ertelecom.ru
• Forward Resolution: Confirmed
• DNSSEC Valid: Yes
• DNSBL Listed: 1 of 8 lists
• Domain: ertelecom.ru

Control Plane:

• Origin ASN: 57026
• BGP Prefix: 5.167.68.0/22
• Route Stability: Unstable
• RPKI State: Unknown

Network Role Flags:

• Provider: No
• CDN: No
• VPN: No
• Proxy: No
• Tor Exit: No
• Mobile: No
• Hosting: No

---

## Observation History

Total Observations: 44

Recent Risk Trend: Consistent "Minimal" operator scores across multiple observations (June 23-24, 2026 timeframe).

The historical signal data indicates the IP has been observed repeatedly with stable characteristics. No escalating threat patterns detected in the observation history.

---

## Relationships

Total Relationships: 332

• Primary relationship: Same Network (ERTH-CHEB-PPPOE-22-NET)
• Multiple network associations indicate this IP is part of a large residential subscriber network block.

---

## Recommended Actions

Based on the risk profile of 40, the following firewall rules are recommended:

iptables:

```

iptables -A INPUT -s 5.167.68.143 -j DROP

```

nftables:

```

nft add rule inet filter input ip saddr 5.167.68.143 drop

```

nginx:

```

deny 5.167.68.143;

```

Cloudflare WAF:

```json

{

"description": "Block 5.167.68.143 — IPDebrief risk score 40",

"action": "block",

"filter": {"expression": "ip.src eq 5.167.68.143"}

}

```

AWS WAF:

```json

{

"Addresses": ["5.167.68.143/32"],

"Description": "IPDebrief risk 40"

}

```

---

## Intelligence Assessment

Threat Level: MODERATE

Key Findings:

1. Residential IP with moderate risk score (40)

2. Part of high-abuse-density subnet (5.167.68.0/24)

3. Single DNSBL listing detected

4. No active threat indicators or known attack campaigns

5. Operator score minimal (0.1304)

Recommendation: Block at perimeter level. The residential classification combined with subnet-level abuse density warrants defensive blocking, particularly given the Russian origin. Monitor for escalation patterns.

---

Report Generated: IPDebrief Intelligence Platform

Confidentiality: Internal Use — SOC/Security Operations

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