# IP INTELLIGENCE BRIEFING: 85.234.37.45
Classification: MODERATE RISK
Date: 2026-06-05
Analyst: IPDebrief SOC Team
## Executive Summary
IP 85.234.37.45 is classified as moderate risk (score: 40/100) with ownership attributed to Oleg W Zaharow under ASN 35728. The address operates within Russia's Penza Oblast region and is currently firewalled with no active services detected. While the IP shows no direct threat indicators, it is DNSBL-listed on 2 of 8 total lists, warranting monitoring.
## Ownership & Network Classification
- ASN: 35728
- Organization: Oleg W Zaharow
- RIR: RIPE
- Country: RU (Russia)
- Region/City: Penza Oblast, Penza
- BGP Prefix: 85.234.32.0/19
- Route Stability: False (unstable routing observed)
- Network Role: Firewalled / No Services Detected
## Threat Assessment
| Indicator | Status |
|---|---|
| Known Attacker | No |
| Tor Exit Node | No |
| Spam Source | No |
| Blacklist Count | 0 |
| Threat Indicators | None |
| DNSBL Listings | 2/8 lists |
The IP shows no evidence of active malicious activity. No known campaigns or threat feeds correlate with this address. Behavioral analysis indicates zero incidents, no WAF violations, and no honeypot hits.
## Services & DNS Analysis
- Open Ports: None detected
- TLS Certificate: Not configured
- PTR Resolution: Not confirmed
- Hosted Domains: 0
- Email Auth: SPF/DMARC not configured
- DNSSEC: Valid
- Forward Resolution: Not confirmed
## Geolocation & Network Context
- Geolocation Confidence: Moderate (5000km accuracy radius)
- GeoSource Count: 1
- Neighborhood: 85.234.37.45/24
- Abuse Density: 1 (low)
- Classification: Mostly Clean
- Subnet Risk Inheritance: 2
- Active Siblings: 0
- Threat Siblings: 1
## Historical Signals (16 Observations)
Recent observation history shows consistent classification as "mostly_clean" with stable ownership patterns. No escalation in threat posture detected. Geo-location inferences consistently place the IP in Russia. Threat observation count remains at 1 with no persistent malicious behavior confirmed.
## Network Relationships
- Associated Networks: 15 relationships identified with PTCOMMNET network
- Network Type: Same Network (PTCOMMNET)
## Recommended Actions
Based on the moderate risk classification and DNSBL listings:
1. Monitor: Implement passive monitoring for outbound connections to this IP
2. Block (if necessary): Consider blocking at network perimeter if traffic is unexpected
3. Investigate: Review any incoming connections from this IP for policy compliance
4. No Immediate Action Required: No active threat indicators warrant immediate blocking
## SOC Intelligence Notes
This IP does not exhibit characteristics of active threat actors. The moderate risk score primarily reflects DNSBL listings and unstable routing configuration. No immediate threat mitigation required, but maintain awareness of the network's presence in the Russian infrastructure space.
Status: MONITOR
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Oleg W Zaharow |
| ASN | AS35728 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | RIPE |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
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 | 24% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 24% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 21% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-08 17:18:20 UTC |
| Last Seen | 2026-06-25 10:10:37 UTC |
| Profile Built | 2026-06-25 10:15:37 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
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