# IP Intelligence Briefing: 5.167.70.147/32
## Executive Summary
Intellect analysts identified IP 5.167.70.147 as a Moderate Risk (Score: 49/100) residential endpoint associated with ER-Telecom Holding infrastructure in Cheboksary, Russia. The address carries a Known Attacker flag and appears on one blacklist source (blocklist.de).
## Network Profile
- ASN: 57026 (Network Operation Center CJSC ER-Telecom Holding Cheboksary branch)
- Geolocation: Russia, Chuvash Republic, Cheboksary
- Network Classification: Residential endpoint (PPPoE)
- Ownership: ER-Telecom Holding Cheboksary branch
- CIDR Block: 5.167.68.0/22 (origin)
- DNS: 5x167x70x147.dynamic.cheb.ertelecom.ru (dynamic residential hostname)
## Threat Assessment
The IP addressed demonstrated suspicious activity indicators, including classification as a known attacker and listing on external threat intelligence feeds. One blacklist entry was recorded. The IP did not resolve to Tor exit nodes or known CDN/proxy services, but maintained residential endpoint characteristics.
## Neighborhood Analysis
The /24 subnet (5.167.70.0/24) exhibits high abuse density (Score: 1). Of 256 total sibling addresses, 154 were observed as active. Neighbor risk distribution showed 44 medium-risk and 56 low-risk addresses; no high-risk neighbors were flagged in the sample. The inherited subnet risk score stood at 40.
## Historical Observations
Forty-nine signal observations were recorded across multiple dimensions. Historical data indicated the IP maintained residential classification throughout the observation period. Routing stability showed no route changes within the 30-day window.
## Related Entities
Network relationships linked the address to the ERTH-CHEB-PPPOE-22-NET network block. Multiple same-network relationships were documented.
## Recommended Actions
Security teams should implement the following controls:
Network Edge: Block or rate-limit this IP address due to suspicious activity indicators.
Firewall Rules:
- iptables: `iptables -A INPUT -s 5.167.70.147 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 5.167.70.147 drop`
- nginx: `deny 5.167.70.147;`
- pfSense: `5.167.70.147/32`
Cloud Security:
- Cloudflare WAF: Block expression `ip.src eq 5.167.70.147`
- AWS WAF: Address `5.167.70.147/32`
## Intelligence Notes
The IP address represents a residential endpoint within ER-Telecom infrastructure. While the address itself carried a moderate risk profile, the high abuse density of the parent subnet suggests potential for coordinated activity. SOC analysts should monitor for associated addresses within the 5.167.70.0/24 range and correlate with ER-Telecom network 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 | 5x167x70x147.dynamic.cheb.ertelecom.ru |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 5x167x70x147.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 | 35% | 2 | 3 |
| routing | 20% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 20% | 2 | 3 |
| reputation | 33% | 1 | 3 |
| geolocation | 24% | 2 | 3 |
| Overall | 23% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:05:27 UTC |
| Last Seen | 2026-06-26 18:12:17 UTC |
| Profile Built | 2026-06-27 11:46:40 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 50 |
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