# Intelligence Briefing: 5.167.68.106
Date: 2026-06-24
Classification: Moderate Risk / Residential Endpoint
Status: ACTIVE
---
## Executive Summary
IP 5.167.68.106 is a residential endpoint in Cheboksary, Russia (ASN 57026, ERT-Telecom Holding). Risk score of 40 with 8 DNSBL listings. Subnet 5.167.68.0/24 exhibits high abuse density with 91/256 IPs flagged medium risk.
---
## Technical Profile
| Attribute | Value |
|---|---|
| **Risk Score** | 40 / 100 |
| **Country** | RU (Russia) |
| **City** | Cheboksary, Chuvash Republic |
| **ASN** | 57026 (ERT-Telecom Holding Cheboksary) |
| **Network Role** | Residential Endpoint |
| **DNSBL Listed** | 8 listings |
| **PTR Hostname** | 5x167x68x106.dynamic.cheb.ertelecom.ru |
---
## Threat Indicators
- No active threat campaigns detected
- Known attacker flags: False
- Spam source flag: False
- Tor exit node: False
- Abuse confidence: Elevated (8 DNSBL listings)
Note: Despite benign threat flags, 8 DNSBL listings indicate historical abuse or reputation issues.
---
## Neighborhood Analysis (5.167.68.0/24)
- Subnet Classification: HIGH ABUSE
- Total Siblings: 256 IPs
- Active Siblings: 162
- Abuse Density: 1.0 (high)
- Risk Distribution: 91 medium risk, 9 low risk, 0 high risk
Assessment: This /24 subnet shows concentrated medium-risk activity, suggesting potential botnet or spam infrastructure sharing.
---
## Relationship Graph
- 334 relationships identified
- Primary association: ERTH-CHEB-PPPOE-22-NET (same network)
- No organization or certificate relationships detected
---
## Observation History (45 observations)
Recent signals show:
- Multiple blacklist detections (2026-06-24)
- Operator score: Minimal (0.0)
- Route stability: Unstable (bgp prefix changes)
---
## Recommended Actions
Firewall Rules:
```bash
# iptables
iptables -A INPUT -s 5.167.68.106 -j DROP
# nftables
nft add rule inet filter input ip saddr 5.167.68.106 drop
```
WAF/Cloud Provider:
```
Cloudflare WAF: Block 5.167.68.106 โ IPDebrief risk score 40
AWS WAF: Add 5.167.68.106/32 to block list
```
---
## Analyst Notes
1. Monitor subnet 5.167.68.0/24 โ High abuse density warrants blocking entire /24 or monitoring for lateral movement
2. Verify inbound connections โ 8 DNSBL listings suggest this IP has been flagged for spam/malicious activity
3. Consider blocking โ Moderate risk score (40) combined with subnet abuse pattern suggests defensive blocking is prudent
4. No immediate threat indicators โ IP not flagged as known attacker or Tor exit, but reputation issues remain
Recommendation: Block at perimeter, monitor subnet for additional suspicious activity.
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 | 5.167.68.0/22 |
| RIR | RIPE |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | 5x167x68x106.dynamic.cheb.ertelecom.ru |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 5x167x68x106.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 | |||
| 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 | 32% | 2 | 3 |
| routing | 35% | 2 | 3 |
| services | 8% | 1 | 1 |
| ownership | 28% | 3 | 4 |
| reputation | 27% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 26% | 11 | 17 |
| 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 05:22:50 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 49 |
Full dossier details are available via our API.