# Intelligence Briefing: 5.167.68.228/32
Classification: Moderate Risk (Score: 40)
Date: 2026-06-24
Source: IPDebrief Threat Intelligence Platform
---
## Executive Summary
IP address 5.167.68.228 is a Russian residential endpoint operated by ER-Telecom Holding's Cheboksary branch (ASN 57026). The address exhibits moderate risk characteristics with a current reputation score of 40 and has been observed in threat feeds with 95% confidence. The subnet demonstrates elevated abuse activity, with 100% of neighboring IPs classified as medium risk.
---
## Technical Profile
Ownership & Infrastructure:
- Organization: Network Operation Center CJSC ER-Telecom Holding Cheboksary branch
- ASN: 57026
- RIR: RIPE
- BGP Prefix: 5.167.68.0/22
- Registration: Routed but route stability flag indicates transient routing
Geolocation:
- Country: Russia (RU)
- City: Cheboksary
- Region: CU
- DNS PTR: 5x167x68x228.dynamic.cheb.ertelecom.ru
Network Classification:
- Type: Residential endpoint
- Infrastructure: Non-CDN, non-cloud, non-proxied
- Tor/VPN: Not identified as Tor exit node, VPN, or hosting service
- Open Ports: None detected; no TLS certificates or HTTP services observed
---
## Threat Indicators
Current Threat Status:
- Abuse Confidence: Elevated with recent threat signal detection
- Blacklist Status: Listed on 1 of 8 DNSBLs
- Known Campaigns: No attributed campaigns identified
- Threat Persistence: Not flagged as persistently malicious
Temporal Analysis:
- Observation Count: 48 historical signals
- Recent Activity: 2026-06-24 observations show active threat indicators with 0.95 confidence
- Operator Score: 0.1304 (Minimal operator attribution)
---
## Neighborhood Analysis
Subnet: 5.167.68.0/24
- Abuse Density: High
- Total Siblings: 256
- Active Siblings: 162
- Threat Siblings: 256 (100% threat prevalence)
Neighbor Risk Distribution:
- Medium Risk: 100 IPs
- High Risk: 0 IPs
- Low Risk: 0 IPs
Sample Neighbor Risk Scores:
- 5.167.68.0: 49
- 5.167.68.1: 49
- 5.167.68.2: 49
- 5.167.68.3: 49
- 5.167.68.4: 40
---
## Network Relationships
Identified Connections:
- Network: ERTH-CHEB-PPPOE-22-NET (325 relationship entries)
- Network Type: PPPoE residential broadband allocation
- Relationship Type: Same network segment
---
## Recommended Actions
Firewall Blocking Rules:
```bash
# iptables
iptables -A INPUT -s 5.167.68.228 -j DROP
# nftables
nft add rule inet filter input ip saddr 5.167.68.228 drop
# nginx
deny 5.167.68.228;
# pfSense
5.167.68.228/32
# Cloudflare WAF
Expression: ip.src eq 5.167.68.228
Action: block
# AWS WAF
Addresses: 5.167.68.228/32
```
---
## Risk Assessment
Threat Level: Moderate (Score: 40/100)
Key Findings:
1. The IP is part of a high-abuse residential subnet with 100% threat prevalence among neighbors
2. Recent observations (2026-06-24) indicate active threat signaling with high confidence
3. The subnet shows inconsistent route stability, suggesting dynamic residential allocation
4. DNSBL listings indicate prior abuse history
5. No direct attribution to known APTs or criminal campaigns
Mitigation Recommendation:
Block inbound traffic from this IP at perimeter firewalls and WAF deployments. Consider implementing subnet-level blocking (5.167.68.0/24) given the 100% threat prevalence across the neighborhood. Monitor for lateral movement patterns from related PPPoE network segments.
---
Intelligence Product: IPDebrief Threat Intelligence Platform
Data Freshness: Real-time as of 2026-06-24
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Network Operation Center CJSC ER-Telecom Holding Cheboksary branch |
| ASN | AS57026 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | RIPE |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | 5x167x68x228.dynamic.cheb.ertelecom.ru |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 5x167x68x228.dynamic.cheb.ertelecom.ru |
๐ DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User โ Residential ISP endpoint |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 28% | 2 | 4 |
| routing | 20% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 27% | 1 | 3 |
| geolocation | 24% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:05:25 UTC |
| Last Seen | 2026-06-26 18:12:15 UTC |
| Profile Built | 2026-06-27 05:14:43 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 51 |
Full dossier details are available via our API.