5.167.64.167
IP Intelligence Briefing: 5.167.64.167
Date: June 6, 2026
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**1. Threat Assessment**
- Risk Score: 59 (Moderate Risk)
- Threat Indicators:
- Flagged on blocklist.de (1 blacklist entry).
- No known malware campaigns or spam sources.
- Network Role: Firewalled with no open services or TLS certificates.
- Geolocation:
- Country: Russia (RU)
- Region: Chuvash Republic
- City: Cheboksary
- ISP: ER-Telecom Holding (ASN 57026)
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**2. Observation History**
- Latest Observation (June 6, 2026):
- Minimal risk score (0.2) with DNSSEC validation.
- ICMP Blocked: Unable to validate geo-routes, suggesting potential network filtering.
- Historical Trends:
- Consistent minimal risk over the past 30 days.
- No spikes in threat activity or DNS anomalies.
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**3. Network Relationships**
- Linked Entities:
- Subnet: 5.167.64.0/24 (ER-Telecom network).
- Shared Infrastructure: 164 related IPs (100 unique).
- High-Risk Neighbors: 92/100 neighbors classified as medium risk (abuse density: 92%).
- Key Associations:
- DNS hostnames point to ertelecom.ru (dynamic IP range).
- No Tor, CDN, or mobile carrier associations.
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 92% medium-risk IPs (100 total).
- Notable Neighbors:
- 5.167.64.3, 5.167.64.4: Moderate risk (59 score).
- 5.167.64.0–5.167.64.2: Low risk (40 score).
- Risk Inheritance: Subnet has a high abuse density, suggesting potential lateral movement risks.
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**5. Recommendations**
- Monitoring:
- Track traffic to/from this subnet for unusual patterns (e.g., DNS queries, outbound connections).
- Investigate neighbors with medium risk scores for potential compromise.
- Mitigation:
- Block traffic to 5.167.64.167/24 if it aligns with known malicious activity.
- Validate DNSSEC and SPF/DKIM records for associated domains (ertelecom.ru).
- Context:
- ER-Telecom’s network has a history of moderate abuse; consider broader subnet-level monitoring.
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End of Briefing
*Generated using IPDebrief threat intelligence tools.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Network Operation Center CJSC ER-Telecom Holding Cheboksary branch |
| ASN | AS57026 |
| Network Name | — |
| CIDR Block | — |
| RIR | RIPE |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 5x167x64x167.dynamic.cheb.ertelecom.ru |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 5x167x64x167.dynamic.cheb.ertelecom.ru |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 3 | 3 |
| routing | 20% | 1 | 1 |
| services | 20% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 34% | 2 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 27% | 12 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:05:16 UTC |
| Last Seen | 2026-06-26 18:12:11 UTC |
| Profile Built | 2026-06-27 06:37:23 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 52 |
Full dossier details are available via our API.