IP INTELLIGENCE BRIEFING: 5.167.67.209/32
Classification: Residential Endpoint โ Moderate Risk (Score: 40)
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OWNERSHIP & GEOGRAPHY
The IP belongs to Network Operation Center CJSC ER-Telecom Holding Cheboksary branch (ASN: AS57026) within RIR RIPE. Geolocation confirms Cheboksary, Russia (RU). The address is a residential endpoint assigned via PPPOE infrastructure under the ERTH-CHEB-PPPOE-22 network prefix. DNS resolves to 5x167x67x209.dynamic.cheb.ertelecom.ru, confirming dynamic assignment.
NETWORK ROLE & SERVICES
Classification: Residential. No active services detected (no open ports, no TLS certificates, no web banners). The IP is not associated with CDN, cloud, VPN, proxy, or hosting infrastructure.
THREAT INDICATORS
- Abuse Confidence Score: Not scored
- Blacklist Status: 0 explicit blacklists
- DNSBL Listed: 1 of 8 commercial DNSBL lists
- Known Attacker: No
- Tor Exit Node: No
- Spam Source: No
- Active Campaigns: None detected
- Threat Feeds: No indicators
CONTROL PLANE STATUS
- BGP Prefix: 5.167.64.0/22
- Route Stability: Unstable (isRouteStable: false)
- DNSSEC: Valid
- RPKI State: Not verified
- Operator Score: 0.1304 (Minimal)
- Delegation Age: Unknown
NEIGHBORHOOD ANALYSIS (5.167.67.0/24)
- Subnet Classification: HIGH ABUSE
- Abuse Density: 0.6367
- Total Siblings: 256
- Active Siblings: 178
- Threat Siblings: 256
- Risk Distribution: 70 medium-risk, 30 low-risk (0 high-risk observed in sample)
- Inherited Risk: 40
The subnet exhibits elevated abuse density, with significant threat activity across sibling addresses. This contextual risk elevates the assessment despite the target IP showing no direct threat indicators.
OBSERVATION HISTORY
Forty-eight historical observations recorded. Recent data (June 2026) confirms:
- Consistent high-abuse classification
- Persistent threat signals from multiple sources
- 50 pulse detections with threat indicators
- Sustained presence in Cheboksary operational scope
RELATIONSHIP GRAPH
330 relationships identified, predominantly same-network associations (ERTH-CHEB-PPPOE-22-NET). No external organizational, hostname, or certificate relationships detected beyond local network infrastructure.
RECOMMENDED ACTIONS
Given the moderate risk score (40) combined with high-abuse neighborhood context, defensive measures are recommended:
- Firewall: Block at perimeter
- iptables: `iptables -A INPUT -s 5.167.67.209 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 5.167.67.209 drop`
- nginx: `deny 5.167.67.209;`
- pfSense: Block 5.167.67.209/32
- Cloudflare WAF: Block with expression `ip.src eq 5.167.67.209`
- AWS WAF: Block IP 5.167.67.209/32
ASSESSMENT SUMMARY
The IP is a residential endpoint from ER-Telecom Holding in Cheboksary, Russia. While no direct threat indicators are present, the IP resides within a high-abuse subnet with 100% threat sibling coverage. The moderate risk score (40) reflects neighborhood contextual risk. Recommend blocking at perimeter to mitigate potential abuse from the local subnet. Monitor for any escalation in activity patterns.
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 | 5x167x67x209.dynamic.cheb.ertelecom.ru |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 5x167x67x209.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 | 32% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 27% | 1 | 3 |
| geolocation | 24% | 2 | 3 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:05:24 UTC |
| Last Seen | 2026-06-26 18:12:14 UTC |
| Profile Built | 2026-06-27 05:33:16 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 50 |
Full dossier details are available via our API.