5.167.66.170📋 Copy

# IP Intelligence Briefing: 5.167.66.170/32

## Executive Summary

IP address 5.167.66.170 is a residential endpoint under ERTelecom Holding's Cheboksary, Russia infrastructure with a moderate risk profile (40/100). The IP belongs to a /24 subnet showing elevated abuse density with 102 malicious siblings out of 256 total addresses. No active threat indicators detected, but neighborhood context warrants monitoring.

## Ownership and Infrastructure

• Organization: Network Operation Center CJSC ER-Telecom Holding Cheboksary branch
• ASN: 57026 (CHEB-AS - JSC ER-Telecom Holding, RU)
• BGP Prefix: 5.167.64.0/22
• AS Path: 6939 9049 57026
• Registration: RIPE RIR, allocated 2012-07-25
• Delegation Age: 5,433 days (stable infrastructure)
• Route Stability: True (0 changes in 30 days)

## Geolocation

• Country: Russia (RU)
• Region: Cheboksary
• Coordinates: 51.6560° N, 45.1307° E
• Geo Plausibility: Validated
• DNS PTR: 5x167x66x170.dynamic.cheb.ertelecom.ru

## Risk Assessment

## Network Classification

• Infrastructure Type: Residential
• Connection Type: Residential Endpoint
• Cloud/CDN/VPN: No
• Hosting/Proxy/Tor: No
• Mobile: No

## Threat Indicators

• Active Threats: None
• Campaigns: None detected
• Threat Feeds: Empty
• Known Malicious Activity: None observed
• Malware/Hoarding: Not detected

## Neighborhood Analysis (5.167.66.0/24)

• Total Siblings: 256
• Active Siblings: 134
• Threat Siblings: 256 (high abuse density)
• Abuse Density Classification: High
• Inherited Risk: 40
• Risk Distribution: High (0), Medium (23), Low (77)

*Note: 25% of subnet peers show medium-high risk scores, indicating potential residential proxy or botnet activity in the neighborhood.*

## Temporal Analysis

• Observation Count: 54 signals
• Ownership Changes: 0
• Threat Persistence Days: 0
• Is Persistently Malicious: No
• Recent Observations: Multiple signals from June 2026 showing consistent ASN and subnet attribution

## DNS and Email

• Forward Resolution: 1 hostname confirmed
• Email Authentication: SPF present, DMARC present
• Hosted Domains: 0
• Forward Hostnames: 5x167x66x170.dynamic.cheb.ertelecom.ru

## Services

• Open Ports: None detected
• TLS Certificate: None
• HTTP Banner: None
• Certificate Count: 0

## Recommendations for SOC Analysts

1. Monitor Neighborhood: 25% of /24 peers show elevated risk. Monitor 5.167.66.0/24 for correlated abuse.

2. Baseline Risk: IP scored 40 with no active threats. Treat as moderate-risk residential endpoint.

3. No Immediate Action: No threat indicators warrant blocking or investigation at this time.

4. Historical Context: Consistent ownership and ASN attribution. No ownership changes or threat persistence detected.

5. Geographic Validation: ICMP validation failed (ICMP blocked), but geolocation appears plausible.

## Conclusion

IP 5.167.66.170 is a legitimate residential endpoint from ERTelecom's Cheboksary infrastructure. While the /24 subnet shows elevated abuse density, this specific IP has no active threat indicators. Monitor neighborhood activity and maintain standard residential IP handling procedures.

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