# IP Intelligence Briefing: 54.38.147.170/32
Date: Current Analysis
Classification: Moderate Risk (Score: 40/100)
Status: Observational Data Compiled
---
## Executive Summary
IP address 54.38.147.170 is a cloud infrastructure address operated by Ahrefs Pte Ltd Dmytro, hosted on OVH infrastructure in London, United Kingdom. The IP presents moderate risk with no active threat indicators but operates within a high-abuse subnet environment. No direct attack campaigns or blacklist associations observed.
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## Technical Profile
Infrastructure Classification
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd Dmytro
- Infrastructure Type: CloudCompute / Hosting
- Cloud Provider: OVH (is_cloud: true, is_hosting: true)
- Geolocation: London, England, GB (RIR: ARIN)
- BGP Prefix: 54.38.0.0/16
Network Characteristics
- DNS Resolution: proxy-uk005-san170.ahrefs.net
- PTR Record: Confirmed reverse DNS mapping
- Open Ports: None detected (firewalled/no services)
- TLS/Certificates: No TLS certificate observed
- HTTP Services: No active HTTP services detected
---
## Threat Assessment
Risk Indicators
- Overall Risk Score: 40/100 (Moderate)
- Abuse Confidence Score: Not provided
- Blacklist Status: Not listed on major threat feeds
- Known Campaigns: None associated
- Tor/Proxy/VPN: Negative indicators (not a Tor exit, proxy, or VPN)
- Threat Feeds: No threat feed matches
Neighborhood Analysis
- Subnet: 54.38.147.0/24
- Subnet Classification: High Abuse
- Abuse Density: 0.668 (66.8% of neighbors flagged)
- Threat Siblings: 171 of 256 total IPs in /24 (66.8%)
- Active Siblings: 193 IPs currently active
This IP operates within a subnet showing elevated abuse density, indicating shared infrastructure that may be co-mingled with malicious actors.
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## Historical Observations
Recent Signal History (June 2026)
- Abuse Density Classification: Consistently classified as "high_abuse" across neighborhood assessments
- Network Classification: Stable identification as OVH cloud infrastructure (is_cloud: true, is_hosting: true)
- Geolocation Validation: Location signals indicate London, GB with plausible RTT measurements (avg 86.4ms)
- DNS Resolution: Consistent resolution to ahrefs.net domain
The IP has shown temporal stability with no ownership changes or persistent malicious behavior patterns.
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## Relationship Mapping
Connected Entities
- Same Network: OVH infrastructure network (OVH_282347341)
- Associated Domains: ahrefs.net
- Control Plane: Route changes: 0 (30-day window); BGP prefix stable
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## Recommended Security Actions
Firewall Rules (Recommended for Moderate Risk Assessment)
| Platform | Configuration |
|---|---|
| iptables | `iptables -A INPUT -s 54.38.147.170 -j DROP` |
| nftables | `nft add rule inet filter input ip saddr 54.38.147.170 drop` |
| nginx | `deny 54.38.147.170;` |
| pfSense | Block 54.38.147.170/32 |
| Cloudflare WAF | Block with expression: `ip.src eq 54.38.147.170` |
| AWS WAF | Block with address: 54.38.147.170/32 |
Decision Guidance
- Risk Level: Moderate (40/100)
- Blocking Recommendation: Consider blocking due to high-abuse subnet context
- Context: No direct threat indicators present, but 66.8% of subnet peers flagged as threats
- Additional Verification: Correlate with organizational policies for cloud hosting infrastructure
---
## Intelligence Summary
IP 54.38.147.170 represents a legitimate cloud hosting address within an elevated-risk subnet environment. While no active malicious indicators are present on this specific IP, the high-abuse classification of the 54.38.147.0/24 subnet warrants defensive caution. The infrastructure is operated by Ahrefs Pte Ltd on OVH cloud platforms in London.
SOC Analyst Notes:
- Monitor for lateral activity from other IPs in the 54.38.147.0/24 subnet
- Consider subnet-level blocking if threat activity escalates
- No immediate threat action required for this IP absent additional context
Classification: Defensive Security Intelligence
Data Sources: IPDebrief Intelligence Platform
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk005-san170.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk005-san170.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-18 09:25:07 UTC |
| Last Seen | 2026-06-28 07:20:15 UTC |
| Profile Built | 2026-06-29 01:25:29 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.