# IP Intelligence Briefing: 185.191.171.19/32
Date: 2026-07-23
Classification: Low Risk
Risk Score: 25/100
## Executive Summary
IP address 185.191.171.19 is a low-risk address associated with legitimate infrastructure. The IP is part of a subnet (185.191.171.0/24) with minimal abuse density and is DNS-resolved to Semrush bot infrastructure. No active threat campaigns or malicious indicators were identified.
## Technical Profile
| Attribute | Value |
|---|---|
| **ASN** | 209366 |
| **Organization** | Jaroslav Jacjuk |
| **Netname** | SCL66-rented1 |
| **Country** | GB (United Kingdom) |
| **DNS** | 19.bl.bot.semrush.com |
| **Services** | Firewalled / No Services Detected |
| **Tor Exit** | No |
| **Known Attacker** | No |
## Threat Indicators
- Blacklist Count: 0
- DNSBL Listed: 1 of 8 lists
- Threat Campaigns: None detected
- Abuse Confidence Score: Not applicable
- Known Campaigns: None
## Network Neighborhood Analysis
The IP resides in subnet 185.191.171.0/24 with the following characteristics:
- Subnet Classification: Mostly Clean
- Abuse Density: 0.0526 (5.26%)
- Total Siblings: 19
- Active Siblings: 9
- Threat Siblings: 1
- Inherited Risk: 2
Neighbor risk distribution shows 17 low-risk, 1 medium-risk, and 0 high-risk IPs. The subnet demonstrates stable infrastructure with minimal malicious activity.
## Observations History
Analysis of 20 recent observations reveals:
- DNS Signals: Consistent resolution to semrush.com with valid CAA records
- Geolocation: London area (51.4964°N, 0.1224°W) with 473.7 km validation distance
- Threat Signals: One DNSBL listing observed with "high" severity classification
- RTT Metrics: Average 26.8ms, minimum 9.5ms
## Key Relationships
- Network Association: SCL66-rented1 (repeated multiple times)
- DNS Hostnames: 19.bl.bot.semrush.com
- Infrastructure Type: Cloud/Hosting infrastructure
## Recommended Actions
No immediate action required. The IP demonstrates:
- Legitimate DNS associations with established security tooling (Semrush)
- No open services or exposed ports
- Low-risk classification across all indicators
- Stable network infrastructure
SOC Monitoring Recommendation: Continue passive monitoring. No blocking or filtering recommended unless additional threat intelligence indicates otherwise. The single DNSBL listing appears to be a false positive given the legitimate infrastructure associations.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Jaroslav Jacjuk |
| ASN | AS209366 |
| Network Name | SCL66-rented1 |
| CIDR Block | 185.191.171.0/24 |
| RIR | RIPE |
| Country | CY |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 19.bl.bot.semrush.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 19.bl.bot.semrush.com |
🔐 DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS209366 |
| Network Prefix | 185.191.171.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 14% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 02:48:37 UTC |
| Last Seen | 2026-08-24 16:03:09 UTC |
| Profile Built | 2026-08-29 12:45:33 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 185.191.171.19
Who owns the IP address 185.191.171.19?
185.191.171.19 is registered to Jaroslav Jacjuk. The address falls within the 185.191.171.0/24 network block. Registration is held at RIPE.
Where is 185.191.171.19 located?
Geolocation data places 185.191.171.19 in CYPRUS, Limassol, United Kingdom. The local time zone is Europe/London. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 185.191.171.19 malicious or safe?
185.191.171.19 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 185.191.171.19?
The reverse DNS (PTR) record for 185.191.171.19 is 19.bl.bot.semrush.com. This hostname is forward-confirmed, meaning it resolves back to the same address.